Surname Registry
last updated
05/17/2012
P to Z
see below to get your surname
included
 Tracing Your Irish Roots by Christine Kinealy |
 Irish Records, Sources for Family & Local History by James G. Ryan |
 A Genealogists Guide to Discovering Your Irish Ancestors by Dwight A. Radford, et al |
| Surname | Ireland County | Where Emigrated | Time line | Contact |
| Paden | Co Tyrone | Liverpool, | 1830 onwards | Elaine Pass |
| Page | Connaught | NY to Missouri | 1848 - 1904 | Cate |
| Palmer | Co Longford | Liverpool, England | 1871-78 | Geoffrey Palmer |
| Patrick | unknown | South Carolina | 1700 | Linda Collins |
| Pearson | Old Ross, Co Wexford | not given | not given | Kaye |
| Penderg(r)ast | Doonbeg, Co Clare | may not have | 1860-1940 | Barbara McGrath |
| Pennington | Belfast | England | 1820-1902 | Christine Shelmerdine |
| Peoples | Donegal, Antrim | Philadelphia PA, Canada | 1840 on | Patricia Peoples |
| Perry | Downpatrick | India | 1782-1816 | Christopher |
| Perry | Kildare, Carbury RC Par. | Kingston, Ulster Co, NY | 1870-80s | Edward R FitzGerald |
| Pertill | unknown | Manchester | 1900-20 | June Bradbury |
| Petticrew, Pettigrew | Cos Down, Antrim, Tyrone, Armagh | Lancaster & Dauphin Cos PA, USA | mid 1700s | B Kline |
| Peyton | Drumshanbo, Co Leitrim | Ontario CAN | 1832 | Brenda Hooton |
| Phelan | Co Leix | not given | not given | Kathryn Kahmoku |
| Philpott | County Cork | did not emigrate | 1830-1892 | Tony Philpott |
| Pickens | Ahoghill, Antrim | Iowa US | 1883 | Frank Moden |
| Pickering | Maralin Parish, Down | Tweed, ON, Canada | 1816 | Jane Magill |
| Pickham | Gortavalla, Doon, Co. Limerick | USA & UA | 1880 | John O'Connell |
| Poole | Old Ross, Co Wexford | not given | not given | Kaye |
| Potter | Co Meath | Utica NY | 1790-1844 | Sue Saunders |
| Powell | Cork City | Portland ME | 1878-1890 | Louise Gallagher |
| Power | Fairbrook, Co. Waterford | England | 1870-80 | Ron Southwick |
| Power | not given | not given | not given | John Power |
| Power | Knock-A-doon | USA | 1840 | Newell Powers |
| Power | Tramore, Co Waterford | Washington Co NY | 1875 | Susan Berkhimer |
| Pritchard | not given | not given | not given | Donna Bolton |
| Purcell | Wexford, Kilkenny | unknown | 1820-1880 | Maureen |
| Purcell | not given | Canada | 1800 | Mary Greene |
| Purcell | Cork & Rathkeale, LIM | not given | 1800 onwards | Teresa Wadman |
| Pursell | unknown | Bucks Co, PA | 1600s to present | Elysia Whisler |
| Quigley | Cork | Washington DC | 1840-41 | Lisa Quigley-Moon |
| Quigley | Loughgall, Armagh | Ontario CAN | 1780 onward | Juanita |
| Quigley | Co Cork | South Australia | 1857-73 | Margaret Roney |
| Quigley | Gartons, Urney Par, Co Tyrone | Philadelphia | 1880-90 | Joe Hunter |
| Quin | Ballintra, Donegal | Glasgow, Scotland | 1830 on | Barbara L Gillon |
| Quinlan | Knockavilla | Australia | 1865 | Mary Hogan |
| Quinlan | Roscrea | Montreal | 1847 | Sandy Rogers |
| Quinn | unknown | NY > Harwinton CT | 1828+ | Nancy Grenier |
| Quinn | Co Cork | USA | 1900 | Sandy Quinn |
| Quinn | Co Laois | Middletown CT | 1860s-1920s | Pat Robinson |
| Quinn | unknown | Brooklyn NY | 1889-90 | Georgia Evans |
| Quinn | all Ireland | Canada | 1840-50? | Mike J Quinn |
| Quinn | Cos Antrim, Cork, Down | USA | 1800s-1900s | Sharon Rogers |
| Quinn | Armagh or Tyrone | Clarendon Twp, Pontiac Co, QBC, CAN | 1835-48 | Frank Quinn |
| Quinn | unknown | Massachusetts | 1800 | Norma Q Higgins |
| Quinn | Kerry | NYC | 1800s | Sallie Mills |
| Quinn | Dublin | Sydney | 1800 | Colin Printz |
| Quinn | Waterford | did not emigrate | 1880 onward | Valerie Gloin |
| Quirey etc | Carnmoney, Antrim | not given | 1712 on | Nancy Jewel |
| Quirk | Waterford, Tipperary | Newfoundland, Nova Scotia, Canada | 1825 | Joe Quirk |
| Quirk | Co Cork? | New York, IL | 1850-1920 | Marie |
| Radcliff(e) | Belfast, Ballymacarrett, Co Down | Cincinnati OH, IN, MO | 1847-54 | Carol Radcliff |
| Raftree | Kilkerrin, Co Galwasy | NY, NJ, Boston? | 1800-1920 | Maureen |
| Raftery | Co Galway | Melbourne AU | 1840-60 | Leonard Pearsell |
| Raftery | Ballinasloe, Galway | Australia | 1841 | Julia Sheppard |
| Rainey | Co Cork | Troy NY | 1837 | Michael Rainey |
| Ralph | Camolin, Co Wexford | New Hampton, Jacksonville, Iowa | 1819-1901 | Venon Ralph |
| Rankin | Co Derry | Prince Edward Island | ca 1857 | Rich Rankin |
| Ratikin | Roscommon | England, Walsall | 1820-1860 | Brian Edge |
| Ravell | anywhere | did not emigrate | 1700+ | Linda Hansen |
| Ray, Rea | Armagh | not given | 1750-1850 | Jessie Engan |
| Reburn | unknown | New York | 1835-1848 | Joyce Chiasson |
| Reddin | Abington, Co Limerick | Australia | bef 1840 | Vicki Strickland |
| Redding | Co Kerry (Ballinskelligs or Tralee?) | Holyoke, MA | ca 1900 | Ray |
| Redding | Borrisokane, Tipperary | Tamworth, Staffordshire UK | 1859-1877 | Miriam Smith |
| Redding | Clare | PA | 1844 | Francis Redding |
| Redding | Clare | New South Wales AU | 1800s onwards | Julia |
| Reddington | not given | New York | not given | Barbara Hayes |
| Redmond | Wexford? | PA | 1830 | Linda Scatena |
| Redmond | Co Carlow | New York State USA | 1845-50 | John L Redmond |
| Reed, Reid | Derry | Rockbridge Co, VA | 1720-1729 | Jim Reed |
| Regan | Co Cork | Marine City, Michigan, USA | 1852-53 | Bernard J Regan |
| Regan | poss Co Meath | Central New York | 1846 | Jim McNally |
| Regan | Co Offaly | England | not given | Karl Regan |
| Regan | Galway | Tennessee USA | 1825-50 | Dottie |
| Regan | Kilfinne | New York | 1880-90 | Jim Regan |
| Regan | Galway | USA | 1824-50 | Dottie |
| Regan | Kiltimagh, Co Mayo | Maine | early 1900 | Mary Brady |
| Reid | Co Down | Augusta Co, VA | ca 1720 | Jim Reed |
| Reid | Antrim | New Zealand | 1880+ | Barry Hornell |
| Reidy | Castleisland area, Co Kerry | Negaunee MI | 1870 | Ray Marshall |
| Reilly, Riley | unknown | Brooklyn, NYC, NY | 1800s-1930s | Patti Reilly S. |
| (O) Reilly | Galway | OH, IA, MO, Chicago | 1840-1920 | Maureen |
| Reuby | Cork City | Bermondsey, London, ENG | 1846-70 | Peter Reuby |
| Reynolds | Armagh | England | 1840-1900 | Julie Peel |
| Reynolds | Athy, Co Kildare | did not emig | 1910-1970 | Liz Buckley |
| Reynolds | Shanagolden, Co Limerick | did not emig | 1840-1900 | Liz Buckley |
| Rice | Co Galway | western PA, Pittsburgh | late 1840s | Marybeth Corrigall |
| Rice | Co Louth | Milwaukee WI & Hopkinton MA | 1831-current | Sally Garcia |
| Rice | Banbridge, Co Down | Australia, England | 1840s or 1850s | Diane Johns |
| Richardson | Borris-in-Ossary, Co Leix | New York | 1879 | Edward Richardson |
| Richerby | Shillelagh. Wicklow | New Zealand | 1800-1880 | Dorothy Pasco |
| Riddle | Dublin South | South Africa | 1854-1938 | Lloyd Scott |
| Riley | Cork | NJ-Allaire Village, Wall Township | 1834 | Nancy Riley |
| Riley, Reiley, O'Riley | County Meath | Canada | 1839-42 | Sally Stevens |
| (O)Riley, Reilly | unknown | MD | 1820-1830 | Helen Rehm |
| Riley, Reil(l)y | Co Cork | MA > Bridgewater SD | 177801920 | A F Senecal |
| Riley, Reil(l)y | Killeagh, Co Cork | Boston, Holyoke etc MA | 1830s-2004 | A F Senecal |
| Riley, O'Reilly | Counties Carlow, Cavan, Meath | New Zealand | 1820-45 | Carole KB |
| Ring, Wring | Cork | Belleville, Ontario CAN | 1846 | Janet Bruton |
| Roach | Co Cork | Chenango Co, NY | ca 1860 | Cassie Clipston |
| Roach | Co Clare | 1860 Lancashire ENG, 1871 USA | 1855-65 | Thomas F Travis |
| Roach, Roche | Co Cork | Far Rockaway, NY | 1845-1925 | Pat Wood |
| Robertson | Co Down | Augusta Co, VA | ca 1720 | Jim Reed |
| Robertson | Enniskillen, Fermanagh | Canada | 1800-1920 | Maralee Groome |
| Robinson | Co Armagh | Ontario | 1820-60 | Ida Maloney |
| Roche | Bahaga, Co Tipperary | New York | 1861 | Mary Colbert |
| Rochford | Easky Dromore West, Co Sligo | Brooklyn NY | 1800 on | Kevin P Flood |
| Rodgers | Carnmoney, Antrim | not given | 1712 on | Nancy Jewel |
| Rogers | unknown | NYC? | 1844-48 | Virginia Giguere |
| Rogers | Co Mayo | New York | 1880-present | Noelle Fairbanks |
| Rogers | Cos Armagh or Antrim | Van Buren Co, IA | 1880-1860 | Craig Rasmussen |
| Roney | Northern Ireland | Philadelphia PA | 1843 | Loretta G Darlington |
| Rooney | not given | not given | 1840 | Janet Magnuson |
| Rooney | Kiltamaugh, Co Mayo | NYC | 1890s | Martin Moran |
| Rooney | unknown | Whitwick, Leicesters, W Yorks, UK | ca 1860s+ | Sue |
| Ross | No Ireland | not given | 1800+ | Mary |
| Rouine | Ennistimon, Co Clare | Lowell MA, USA | 1830-present | Mary R Marsh |
| Rourke | Rushin, Co Laois | Quebec, Canada | 1819 | Wanda Crawford |
| Rourke | Longford | USA | 1924-26 | Jane Rourke |
| Rowan | Clare | New South Wales AU | 1800s onwards | Julia |
| Rowlette, Roulett | Easky Drumore West, Co Sligo | Brooklyn NY | 1800 on | Kevin P Flood |
| Ruddy | Northern Ire, possibly Donegal | New York, Castle Gardens | 1862 | Susan McBride Cook |
| Rutledge | Balliderg, Co Mayo | Niagara Falls NY | 1830-present | Kate Parle |
| Ryan | Doon Village or Kilmoylan Upper | QLD, Australia | 1891 | Brendan |
| Ryan | unknown | Newfoundland | late 1800s-1900 | Patricia Jackman |
| Ryan | unknown | Brooklyn NY | by 1872 | Georgia Evans |
| Ryan | Commonealine, Co Tipperary | New York | 1881 | Mary Colbert |
| Ryan | Knockavilla, Tipperary | NY > RI > MA | 1864 - 1928 | Carol VerCammen |
| Ryan | Kilkenny | unknown | 1820-1920 | Maureen |
| Ryan | Tipperary | NY | 1848? | Colleen Wheeler |
| Ryan | Doon, Co Limerick | USA-NY, WI, MN | 1850 | K F Ryan |
| Ryan | Co Limerick | Philadelphia PA | 1880 | Marianne Bonner |
| Ryan | Northern Ireland | Lowell MA | 1870 | Ras Lipomi |
| Ryan | Trim, Co Meath | Australia | 1859 | Cheryl Ianson |
| Ryan | Annaholty, Newport | Boston | 1889-1902 | Bob Ryan |
| Ryan | Borrisoleigh, Co Tipperary | Melbourne AU | 1850-6 | Barbara Lughermo |
| Ryan | Dundalk, Co Louth | Chicago IL | 1886 | Susan R Clark |
| Ryan | Tipperry | New Zealand > AU | early 1840s-1844+ | Frances Terry |
| Ryan | unknown | Eastman, WI | 1846-49 | Gloria Lund |
| Ryle | Hacketstown, Co Carlow | West Australia, USA | 1897-1911AU, later USA | Lesley |
| Salinger, St Leger | Kilkenny | not given | not given | Julie |
| Salter | Castleton | not given | not given | Vickie Tatsch |
| Saunders | Kilkenny | New Orleans LA | 1854 | Mike Saunders |
| Savage | Co Down | Victoria, Australia | 1840 | Ron Savage |
| Savage | Lurgan | Victoria, Australia | 1800, 1860 | Rae Enever |
| Savage | Shanagolden, Co Limerick | did not emig | 1800-1900 | Liz Buckley |
| Savage | Co Down | Dubuque Co. IA, USA | 1846 | Pat Martin |
| Sayers | Glenarm, Co Antrim | Canada | 1905 | Judith Stark-Sayers |
| Scally | not given | not given | not given | Donna Bolton |
| Scanlan | Ballybackon, Ardfinnan, Tipperary | Victoria & Western Australia | 1890s | Patricia G. |
| Scanlan | Garraunboy, Killaloe, Co Clare | Limerick > Quebec, CAN (Wyndham Emigrants) | 1847 | Orla Kuiper-Ryan |
| Scanlan | Limerick | did not emig | 1850-1900 | Julie |
| Scanlan | Kilmoyler, Tipperary | Queensland AU | 1819-1852 | Barbara Andersen |
| Scanlan | Ballyduff Upper, Lismore, Co Waterford | CT>Grass Valley CA>Negaunee MI | 1850s-1869 | Ray Marshall |
| Scanlan | unknown | Islington, London ENG | 1870s | Tim Healy |
| Scanlan | Rathkeale, Co Limerick | USA, AU | 1850-1920 | Mike Scanlan |
| Scanlan, Scanlon | LiseyCasey, Ennis, Co Clare | Brisbane, Queensland, AUS | 1907-9 | Janice Hegarty |
| Scanlan, Scanlon | Co Kerry | Natchez, MS, USA | 1850 | Harry D Smith |
| Scanlan, Scanlon | Co Clare | USA | 1700s-1900s | A L Scanlon |
| Scannell | Cork or Kerry | Plymouth ENG > Senega Falls NY | 1870-1900 | Eileen |
| Scarlott | Leitrim, Fermanagh | USA, PA, OH | 1786-89 | Jean Scarlott |
| Scott | Belfast | Canada | 1918 | V. Scott |
| Scott | Co Donegal | NJ, DE, PA | 1850-1900 | Rich Nicholas |
| Scott | Downpatrick | not given | 1820-50 | Bluebird |
| Scrymgeour | Belfast | Manchester ENG | 1852-72 | Joseph Wright |
| Scullan | unknown | not given | 1810-40 | Cathy |
| Scully | Roscrea, Co Tipperary | not given | from 1855 | Marianne Bonner |
| Seaward | Tipperary | not given | 1806 onward | Adelle Jordan |
| Seery | Westmeath or Offaly | Philadelphia PA | 1868 | Frank Seery |
| Sexton | Limerick | PA, MN | 1848 on | Sheri Sexton |
| Shanahan | Roscommon | Canada? Chicago USA | 1855-75 | Marilyn Shanahan |
| Shannon | Galway | England, Walsall | 1810-1853 | Brian Edge |
| Shannon | poss Connaught | New York City | 1830-1910 | Maureen |
| Shannon | unknown | CAN > Negaunee MI | ca 1860s | Shawn Kathleen |
| Shannon | Co Cork or Down | Battersea, Storrington Twp, CAN West | 1800 to present | Esther Mitchell |
| Shannon | Northern Ireland | Canada, Australia, USA | 1830-90 | Debbie |
| Shannon | County Mayo | Canada | not given | Diane |
| Shannon | Newbliss Par., Co Monaghan | Grenville Co ONT, CAN | 1829 | Ronald D Shannon |
| Shannon | Dublin, Meath | Ohio>Pittsburgh PA | 1795 to present | Lynn Sheahen |
| Shannon | Cavan, Co Cavan, NI | Glebe AU | 1862-1867 | Shirley Parker |
| Sharkey | Golanee, Ardstraw Par, Co Tyrone | Philadelphia | 1880-90 | Joe Hunter |
| Shaughnessy | Derrymore, Dunmore, Co Galway | NY | 1927 | Mary O'Dowd |
| Shaughnessy | Co Carlow | New York City | 1847-53 | Sharon S Natcher |
| Shaw | Dundalk, Co Louth | Chicago IL | 1886 | Susan R Clark |
| Shay, Shea | Clontuskert Par, Galway | New Orleans LA | mid 1830s | Janice L Worthen |
| (O)Shea | Garryduff, Co Kilkenny | Hoosick Falls NY | 1880 | Susan Berkhimer |
| Shea | Co Cork or Kerry | Stoke-on-Trent, Staffordshire, ENG | 1800-1835 | Pamela |
| Shea | Cork | Nova Scotia | late 1700s | Burdena Shea |
| Shea | unknown | Westchester, Bronx NY | 1839-1840 | Mike Saunders |
| Sheedy | Co Clare | USA | 1700s - 1900s | A L Scanlon |
| Sheehan | Cork | not given | 1835-1935 | Terri Connors |
| Sheehan | Kilmacow, Wexford | Merthyr Tydfile Wales, PA | 1804+ | Kate |
| Sheehan, Sheehy | Dingle, Co Kerry | Chicopee MA > Fall River MA | 1860s-1880 | Ann D'Amore |
| Sheehy | Duagh, Co Kerry | Chicago, NY | 1875 onward | Nan Brennan |
| Sheehy | Cork | Australia | 1877 | Myree McGoldrick |
| Sheeran | Donegal | Troy NY | 1860 | Michael Sheeran |
| Sheeran | not given | NY | 1850 to present | Jo-Ann |
| Sheppard | Dublin | Keighley, West Yorkshire, ENG | 1900 onward | Matt Sheppard |
| Sheppard | Ballyhagen, Co Tipperary | New Orleans LA | 1848-1856 | Howard D Sheppard |
| Sheridan | Drumnacarry, Clondahorky Par., Co Donegal | Philadelphia PA, USA | 1900s | Anne |
| Sheridan | Lacken, Multyforham, Co Westmeath | NY, USA | bef 1890 | Gail Kiniry |
| Sherlock | Westmeath | Melbourne | from 1841 | Marie Lockyer |
| Shevnan | Crossna, Co Roscommon | UK, USA | 1800-1900 | Kevin Shivnan |
| Shields | Antrim, Armagh | Bardados > Virginia | ca 1650 | John Shields |
| Shillington | Co Tyrone | Green Bay, Bedford Twp, Frontenac Co, ONT, CAN | 1841 | Kevin Shillington |
| Shine | Millstreet, Co Cork | London ENG | 1887-88 | Patricia Hannafin |
| Shirey | Co Cork | Berks or Bucks Co, PA | 1880s | Brian Shirey |
| Shivnan | Crossna, Cootehall, Co Roscommon | Australia, UK, NZ, USA | 1800-2000 | Kevin Shivnan |
| Shorten | Bradon area, Co Cork | unknown | 1842-65 | Mary Lutz |
| Silver | Galway | Manchester ENG | 1850s | Lyn Christian |
| Simpson | Newry, Co Down | Sydney, AU | 1838 | Ken Simpson |
| Simpson | Northern Ireland | Liverpool ENG | 1847 | Gerry Burger |
| Sinott, Sinnet, Synott, Senet | not given | poss. Virginia | bef 1860 | Pat Robison |
| Skahill, Skhaill | Co Galway | Australia | 1850-70 | Clare Taylor |
| Slowey | Clones | PA | 1869 | Carol Marlo |
| Smith | Belfast | Canada | 1920-30 | Joan |
| Smith, Smythe | Belfast | Ontario CAN | 1927-30 | Joan K Bourgeois |
| Snodgrass | not given | not given | 1700-70 | John C Snodgrass |
| Somers | Tipperary | Channel Islands>NZ | 1866, 1870s | Gloria |
| Spears | Co Down | Ontario CAN | 1863 | Sharon Spears |
| Spence | Donegal | not given | not given | Maureen |
| Spiers | Drumballyroney, Co Down | Australia | 1800, 1880 | Rae Enever |
| Spillane, Spellman | Cork | Bangor ME via St John's NFLD | ca 1847 | Edwina D'Aiuto |
| Spotten, Spotton | Co Monaghan | Philadelphia PA | 1851 | Virginia D Gross |
| Stafford | Crossabeg, Wexford | Liverpool UK | any | Bill Stafford |
| Stanton | Castlebar, Co Mayo | not given | 1831 | Gail |
| Stanton | Leitrim | Ionia Co MI | 1838 | Patrick Powell |
| Steen | Derry, Donegal | PA | 1849-59 | Mary Lovell |
| Steen | Derry, Co Derry | Baltimore MD | ca 1815-1856 | Warren Fisher |
| Steep(e) | Kilfinane, Co Limerick | Australia | 1800s-present | Margaret Guppy-Steepe |
| Stevenson, Steenson | Co Armagh | Scotland | any | Michael Lynn |
| Stewart | unknown | Venango Co., PA | ca 1824-37 | James S Seebass |
| Stewart | Dunmuckrum, Co Donegal | Batsto NJ | 1839 | Barbara S Price |
| Stewart | Virginai, Co Cavan area | PA | 1840-50 | Steve |
| Stewart | Ballycastle, Co Antrim | Americas | 1800 | David |
| Stewart | poss Donegal or Armagh | Wilmington DE | bef 1871 | Doris Brostrom |
| Stinson | Northern Ireland | Boston MA | 1773-1840 | John Stinson |
| Stone | Clonbroney, Castlecomer | Liverpool, England | 1800-1900 | Wester |
| St John | Tipperary | New York | 1840 | Thomas Fullam |
| Strain | Newbliss, Co Monaghan | York Co., Canada | 1850 | Diane Dougherty |
| Strickland | Newtownards, Co Down | Australia | bef 1870 | Vicki Strickland |
| Stritch | Co Roscommon | Tasmania (Van Deiman's Land) | 1844-45 | Elaine Stevens |
| Stubbs | Dublin | Stoke on Trent | emig 1820s | Andy Micklethwaite |
| Stutt | Co Armagh | USA | not given | Dawn Rene Compton |
| Sullivan | Cahirciveen, Co Kerry | Holyoke, MA | 1890s | Ray |
| Sullivan | Kerry | Newark NY > Brooklyn NY > Yonkers NY | 1867-1937 | Mary Payne |
| Sullivan | Connaught? | New York City | 1840-1920 | Maureen |
| Sullivan | Kilgarvin Parish | unknown | 1782-1864 | Donna Marstrander |
| Sullivan | Kerry | NY | 1853 | Florence A Kissane |
| Sullivan | Co Kerry | Genessee Co, NY | 1845 | Colleen M Wheeler |
| Sullivan | unknown | England, Birmingham | 1800-60 | Ros Jarvis |
| Sullivan | Cappamore, Limerick | New South Wales AU, NZ? | ca 1855 | Maureen Sullivan |
| Sullivan | Cahirciveen, Co Kerry | Indianapolis IN | 1860-62 | Scott Sullivan |
| Sullivan | Tuosist, Co Kerry | W Springfield MA | 1840-1900 | A F Senecal |
| Sullivan | Co Cork? | Wales, Luzerne, Lackawanna PA | 1800s | Walton J Sullivan |
| Sullivan | Co Antrim | Baltimore MD | 1855 - 1865 | Erin Sullivan |
| Sullivan | unknown | Westchester, Bronx NY | 1839-40 | Mike Saunders |
| Swain | Portadown, Co Armagh | Manchester CT | 1800-present | Jean McFall |
| Sweeney | Donegal | did not emig | 1800s | Frank Yaccino |
| Sweeney | unknown | Philadelphia PA | 1800s | Bernadette Maurer |
| Sweeney | Co Mayo | England | ca 1841-1880 | Craig Simpson |
| Sweney, Sweeny | Portadown, Co Armagh | Westland, NZ | 1860s | Diane Johns |
| Swindell | Co Kerry | USA? Army | 1780-1860 | Liz Buckley |
| Taaffe | Co Meath | Melbourne AU | 1859 | Barbara Lughermo |
| Taggart | unknown | Toronto, ONT, CAN | 1886 | Kate Taggart |
| Talbot | Kinvarra?, Co Clare | Australia NSW | 1862-1941 | Sharon |
| Tallon | Co Meath | not given | 1850s | Garry Tallon |
| Tamplin | Clare, Galway | Australia | 1850s-today | John Tarrant |
| Taylor | Parsons Town, Co Offaly | not given | 1700 to 1850 | Noni Brown |
| Taylor | Castlecomer, Co Kilkenny | NY | 1850s | Patricia Bush |
| Tedford | Cloncore, Tartaraghan, Armagh | QSLD, Australia | 1855 | Douglas Tedford |
| Teefy | Birdhill, Co Tipperary | Australia | 1800-1900 | Bill Chapman |
| Terry | Co Cork | unknown | not given | Rachel |
| Thomasson, Thomason | unknown | Georgia, SCarolina | 1700-1800? | Dena T Whitesell |
| Thompson | Ulster | RI, USA | bef 1824 | Frank Ward |
| Thompson | Edgeworthtown, Co Longford | Goshen, Orange Co, NY | 1729 USA | Kathy Sternberg |
| Thompson | Dungiven | New Zealand | ca 1856-66 | Jennifer Hudson |
| Thompson | Warrenpoint Co Down | Liverpool UK, AU | 1860s-present | Gill Rice |
| Thornton | Blaria, Co Down | Scotland | 1800 | Lorna Doyle |
| Tiernan | Doogary, Co Roscommon | UK, USA, New Zealand | 1800-1930 | Kevin Shivnen |
| Tierney | not given | Canada, US | 1860s | Christine Fox |
| Tierney | Co Tipperary | Australia | bef 1852 | Vicki Strickland |
| Tighe | Wexford | Brisbane, Queensland AUST | 1840 | Torquil MacDonald |
| Timlin | Muingnabo, Rossport, Co Mayo | Scotland | 1850, or later | Nora T Buckley |
| Timmons | Lurgan, Co Armagh | Colleton Co SC, Baltimore MD | ca 1700-1730 | Mary Timmons |
| Tobin | Waterford | Lexington MA, USA | 1848-52 | Gerard Tobin |
| Tobin | Bere Island, Carrick Magheross | Everett MA | 1870-1892 | Karen Kelly |
| Todd | ? Belleanon, Antrim | Laurens, SC, PA | 1768-1852 | Ann Lackey |
| Tomkins | Wexford | Cape Breton, Nova Scotia | 1829 | Barbara MacLellan |
| Tone | Freshford, Kilkenny | Arthur, Ontario | ca 1740 | Sally Mason |
| Toohill | Tipperary | Australia | 1820 | Patricia |
| Toole | unknown | Tipton, Iowa USA | 1860s | Anne |
| Toole | Westmeath | USA | 1850-60 | Joe Toole |
| Toole | unknown | Madison IN | 1850 | Laura Frazier |
| Torpey | unknown | New York | 1900 | James Torpey |
| Trainor | Bailieborough, Co Cavan | Australia | 1840-60 | Clare Moore |
| Trainor | Bailleborough | Australia | 1840-60 | Phil Trainor |
| Trainor | Co Antrim | Scotland | 1800+ | George Mark |
| Tubman | Kinawley Par., Co Fermanagh | Canada > USA | 1850-80 | Darlene Pugh |
| Tuite | Ballinahinch, Curraghduff, Co Tipperary | not given | 1700 to 1863 | Noni Brown |
| Tully | Roscommon | Dorset VT | 1860-90 | K McDonald |
| Tumpane | Bawn, Silvermines, Nenagh | NY, CT | 1870 | David Campbell |
| Tuohey | Dublin | New York | 1800s | Mary Lou McCabe |
| Turner | Tyrone Long East | Illinois | 1832-1900 | Laurel Perkins |
| Turner | Galway | US, MA | 1852 | Paul C Turner |
| Tweedie | Newry? | VIC, Australia | 1855 | Douglas Tedford |
| Union | Dublin | not given | not given | Derek Union |
| Vallaney, Valleny | unknown | New York, USA, UK | 1860s-1879 | Angela |
| Vaughan | Cork City | did not emig | 1790-1820 | Brian Kenealy |
| Vaughan | Ardstraw, Strabane, Co Tyrone | Ballyshannon, Co Donegal | 1780-1830 | Kimithy Vaughan |
| Vaughan | Dunmuckrum, Ballyshannon, Co Donegal | Toronto ONT, CAN | 1865-80 | Kimithy Vaughan |
| Vaughan | Dunmuckrum, Ballyshannon, Co Donegal | Chicago IL, USA | 1840-60 | Kimithy Vaughan |
| Vaughan | Lahinch, Moher, Co Clare | Rochester NY | 1901 | Philip Keane |
| Verdon | Co Limerick | USA | 1872 | Kverdon |
| Vickers? | Tipperary | Australia & NZ | 1849+ | Frances Terry |
| Wade | Northern Ireland | New York City NY, USA | 1860 | Kate Wade |
| Wade | Co Cavan | Canada | 1789 | C Ralph Hayes |
| Waldron | Crossard, Co Mayo | n/a | 1830-1901 | Mary Jane Everett |
| Walker | Rathangan | New York | 1916 | Barbara Hogan |
| Walker | Caroney Tyrone | Bundaberg, QLD, AU | 1850-1940 | Rhonda Harris |
| Walker | Coharn, Co Donegal | did not emig | ca 1780-1841 | Jerrian Barsness |
| Walker | Belfast | did not emigrate | 1901-11 | Muriel Caldwell |
| Wallace | Galway | So Boston, MA | 1909-1912 | Meg Knieriem |
| Wallace | Moolum, Rochestown, Co. Kilkenny | OH > SD > OH | 1857-1910 | Jean W Copeland |
| Wallace | Killyleagh, Turllyveery, Simmy Island, Co Down | Jefferson Co, NY | 1838 | Chris Wanamaker |
| Wallace | Markethill, Co Armagh | California | 1912 | Rosemary McCormack |
| Walsh | County Waterford | Newfoundland | 1840-51 | Frank |
| Walsh | Armagh | Sydney, Australia | 1854 | Pam Tierney |
| Walsh | Muckalee, Kilkenny | Sydney NSW, Australia | 1790-1870 | Paddy Walsh |
| Walsh | Curraghmore, North Galway | New York, NY, USA | 1900 on | Joanne Lattrell |
| Walsh | Limerick, Ballylanders area | Detroit | 1826 | Geraldine Walsh |
| Walsh | Inchigeelaugh, Co Cork | N.S.W., Australia | 1878 | Marie Payne |
| Walsh | Durrown, Co Leix | did not emig | 1750-1850 | Liz Buckley |
| Walsh | Co Kerry | MA, WI, IA | not given | Patricia C Coogan |
| Walsh | Lahinch, Moher, Co Clare | Rochester NY | 1901 | Philip Keane |
| Walsh | Dublin | Connecticut USA | 1860-82 | Maureen Payton |
| Walton | not given | ENG, Can, NY, PA | late 1770s | Walton J Sullivan |
| Ward | Ulster | RI, USA | bef 1846 | Frank Ward |
| Ward | unknown | Minnesota | 1855-65 | Bobbi Janes |
| Ward | Monaghan | South Australia | ca 1846 | Islay Kelly |
| Ward | unknown | Brooklyn NY | ca 1825 | Anna Caulfield |
| Ward | Donegal | Scotland | late 1800s-early 1900s | Margaret Burns |
| Ward | not given | New Orleans LA | 1820-1835 | Jack T Ward Jr |
| Ward | Warrenpoint, Lugan, Co Down | Brisbane, Bundaberg AU | 1883 | Louise Barry |
| Ward | Galway | New Orleans? Indianapolis | 1851 | Laura Frazier |
| Ward | Wexford | Lanark, Ontario, Canada | 1826 | Jim Ward |
| Wark | Killymard, Donegal | Brooklyn NY | 1860-65 | George Colvin |
| Weadick | Wicklow | New York | 1830 | Patrick Weadick |
| Webb | Co Cork | Ontario CAN | 1825-28 | Beth Ostriyznick |
| Weir | Lisburn | did not emig | 1800s on | Linda March |
| Weir | Northern Ireland | Australia | 1850 | Bev Cameron |
| Welsh, Walsh | Monaghan, Cavan | Scotland | 1868-1900 | Rosemary Richardson-Weisgerber |
| Welsh | Connaught | did not emig | 1820-90 | Maureen |
| Whalan | Kilkenny | Australia | 1850 | K Wall |
| Whelan | unknown | Hoboken NJ > Troy NY | 1851-1883 | Mike Whelan |
| Whelan, Phelan | Bansha, Co Tipperary | New York | 1890s | Mary Colbert |
| Whelan, Whalen | County Waterford | Vermont | 1826 | Katherine |
| White | Dublin | Australia NSW | 1745-1845 | Lee-anne |
| White | Ballycastle | New York, USA | 1890s | Margaret |
| White | Wicklow, Blessington, Swords | Canada, USA, Australia | 1845? | Debbie |
| White | unknown | Brooklyn NY | 1840-60? | Wendy Hopkins |
| Whitney | Oldcourt, Adamstown Co Wexford | not given | not given | Kaye |
| Wigim | Tyrone | New Orleans LA | 1850 | Michael Wigim |
| Wigmore | Cork | Canada | 1780-1840 | Clarence Wigmore |
| Wildermoth | Rosecrea | Australia, NZ | prior 1900 | Colleen |
| Wilkey, Wilkie | Cos Donegal, Derry, Down | PA, IL, MS | emig 1850 | Jerrian Barsness |
| Williamson | Co Down and/or Co Antrim | Grenville, Quebec, Canada | 1750-1817 | Greg Ferguson |
| Williamson | Loughgall, Armagh | Ontario CAN | 1780 onward | Juanita |
| Wills | Leix | Ontario, CAN | 1860-63 | Norman Wills |
| Wills, Willis | unknown | USA | late 1700s-1800s | Sharon Rogers |
| Wilson | Kildare | U.K. | 1917-2005 | David Wilson |
| Wilson | Tuam, Co Galway | not given | not given | Steven Wilson |
| Wilson | St Johns, Donegal | Bradford, ONT, CAN | 1862 | Geraldine Raudzens |
| Wilson | St John's Point, Donegal | Eng, Can, USA | 1850s + | Anne Green |
| Wilson, Willson | Co Tyrone | Ontario CAN | 1833-1900 | Shirley Redfern |
| Windrum | Kildare | Southsea UK | 1873-1900 | Windrum |
| Wood | Co Cork | New Brunswick CAN | 1817-20 | Jane Wood |
| Woods | Co Monaghan | Canada | ca 1830 | Judith Woods |
| Woods | Co. Tyrone | Co Cork | 1834 | Joyce A Hall |
| Woodlock | Tipperary | NSW, Australia | 1800-50s | Carol Dale |
| Woods | Longford | New Brunswick CAN | not given | Kyle |
| Woods | Newry, Co Down | Brooklyn NY | 1850-present | Pat Wood |
| Wymes | Skreen, Dromard | New York | 1929 on | Deb Huimh |
| Wynn(e), Winn(e) | Riverstown, Co Sligo | PA, NY | 1847 on | Rich Nichols |
| Young | Glenosheen, Co Limerick | New Jersey | 1749 onward | Roland D Young |
| Young | County Laois | Lancashire, ENG | 1800 on | Susan O'Connor |
| Young | Lissballyfroot, Tullaroan, Co Kilkenny | Trenton NJ, USA | 1880s-1960s | Maryann Arnold |
| Young | Co Wexford | Canada | 1800s | Greg Young |
| Young | Northern Ireland | not given | 1800s-present | Diane |
| Young | Co Antrim | Savannah GA | 1736 | Eileen Taft |
