Results

1. Ó Fachtna → Faulkner
2. McFadden → Ó Cosáin ·McFadden ·Fadian ·Fagan ·Padden ·Mac Páidín ·Paten ·Patterson ·Patton ·Peyton ·Mac Pháidín ·Ó Piotáin
3. Fadian → Ó Cosáin ·McFadden ·Fagan ·Padden ·Patterson ·Patton ·Peyton ·Mac Pháidín
4. Ó Fágáin → Fagan ·Fegan ·Ó Fiacháin ·Mac Pháidín
5. Fagan → Ó Cosáin ·McFadden ·Fadian ·Ó Fágáin ·Ó Faodhagáin ·Fegan ·Fehan ·Ó Fiacháin ·Padden ·Patterson ·Patton ·Peyton ·Mac Pháidín
6. Faherty → Ó Fárta ·Ó Fatharta ·Ó Fátharta ·Ó Fathartaigh ·Flaherty ·Ó Flatharta ·Ó Hairt ·Ó Harta ·Harty
7. Fahey → Fahy ·Ó Fatha ·Ó Fathaigh ·Fay ·Fee ·Ó Fiaich ·Foy ·Green
8. Fahy → Fahey ·Ó Fatha ·Ó Fathaigh ·Fay ·Fee ·Ó Fiaich ·Foy ·Green
9. Ó Fáilbhe → Falvey ·Fealy
10. Fair → Mac Fhinn ·Ó Finn ·MacGing ·McKing ·Maginn ·Phayre
11. Ó Faircheallaigh → Mac Airligh ·Carley ·Farell ·O'Farrell ·O'Farrelly ·Ó Fearghail ·Ó Fearghaile ·Mac Fhearghaile ·McGuirl ·Kerley
12. Ó Faith → Fay ·Ó Féith ·Ó Fiaich ·Foy
13. McFall → McFall ·McFaull ·Lavelle ·Ó Maoilfheabhail ·Ó Maolfhábhail ·Melville
14. Ó Fallamháin → Ó hAlmhain ·Fallon
15. Fallon → Mac Ailín ·Allen ·Ó hAlmhain ·Ó Fallamháin ·Ó Hailín ·Holland ·Ó Hollúin
16. Falvey → Ó Fáilbhe ·Fealy
17. Fannin → Fanning ·Fannon ·Fenning ·Finan ·Ó Fionnáin
18. Fanning → Fannin ·Fannon ·Fenning ·Finan ·Ó Fionnáin
19. Fannon → Fannin ·Fanning ·Fenning ·Finan ·Ó Fionnáin
20. Ó Faodhagáin → Fagan ·Fegan ·Fehan ·Ó Fiacháin
21. de Faoite → Mac Giolla Bháin ·Galligan ·Ó Gealagáin ·McGilligan ·Ó Giollagáin ·Kilbane ·White ·Whitty ·Whyte
22. Ó Faoláin → Ó Haoileáin ·Ó Haolláin ·Heelan ·Helen ·Hillen ·Holland ·Hyland ·Phelan ·Whalen ·Whelan
23. Ó Faranáin → Farnan ·Farnon
24. Farell → Ó Faircheallaigh ·O'Farrell ·O'Farrelly ·Ó Fearghail ·Ó Fearghaile ·Mac Fhearghaile
25. McFarland → Bartley ·Ó Beartlaigh ·Ó Partlainn ·McPartland ·McPartlin ·McPartlon ·Mac Phartholáin ·Mac Phártholáin ·Mac Phártoláin
26. Farnan → Ó Faranáin ·Farnon
27. Farnon → Ó Faranáin ·Farnan
28. Farragher → Carragher ·Ó Fearachair ·Ó Fearchair ·Mac Fhearchair ·Fraher
29. O'Farrell → Mac Airligh ·Carley ·Ó Faircheallaigh ·Farell ·O'Farrell ·O'Farrelly ·Ó Fearghail ·Ó Fearghaile ·Mac Fhearghaile ·Frawley
30. O'Farrelly → Mac Airligh ·Carley ·Ó Faircheallaigh ·Farell ·O'Farrell ·O'Farrelly ·Ó Fearghail ·Ó Fearghaile ·Mac Fhearghaile ·Frawley ·McGuirl ·Kerley
31. Farren → Ó Fearacháin ·Fearon
32. Farrissey → Farrissy ·Ó Fearghaíosa ·Ó Fearghusa ·Fergus ·Ferguson ·Ferris ·Mac Fhearghusa
33. Farrissy → Farrissey ·Ó Fearghaíosa ·Ó Fearghusa ·Fergus ·Ferguson ·Ferris ·Mac Fhearghusa
34. Farry → Ó Fearadhaigh ·Ó Feardhaigh ·Ó Fearraí ·Ó Fearraidhe ·Ó Fearraigh ·Ferry ·Mac Fhearadhaigh ·Ó Gadhra ·Ó Gaibhre ·Ó Gaora ·O'Gara ·Mac Garaidh ·McGarraghy ·Garrahy ·Garrihy ·McGarry ·Mac Gearachaigh ·Mac Gearchaigh ·Geary ·Guiry ·McHarry ·Maguire
35. Ó Fárta → Faherty ·Ó Fatharta ·Ó Fátharta ·Ó Fathartaigh ·Flaherty ·Ó Flatharta ·Ó Hairt ·Ó Harta ·Harty
36. Ó Fatha → Fahey ·Fahy ·Ó Fathaigh ·Fay ·Foy ·Green
37. Ó Fathaigh → Fahey ·Fahy ·Ó Fatha ·Fay ·Fee ·Ó Fiaich ·Foy ·Green
38. Ó Fatharta → Faherty ·Ó Fárta ·Ó Fátharta ·Ó Fathartaigh ·Mac Fhlaithbheartaigh ·O'Flaherty ·Ó Flaithbhearta ·Ó Flaithbheartaigh ·Ó Flaithearta ·Ó Flárta ·Ó Flatharta ·Ó Flathartaigh ·Ó Hairt ·Ó Harta ·Harty ·Lafferty ·Laverty
39. Ó Fátharta → Faherty ·Ó Fárta ·Ó Fatharta ·Ó Fathartaigh ·Flaherty ·Ó Flatharta ·Ó Hairt ·Ó Harta ·Harty
40. Ó Fathartaigh → Faherty ·Ó Fárta ·Ó Fatharta ·Ó Fátharta ·Flaherty ·Ó Flatharta ·Ó Hairt ·Ó Harta ·Harty
41. Faulkner → Ó Fachtna
42. McFaull → McFall ·McFaull ·Ó Maoilfheabhail
43. Fay → Fahey ·Fahy ·Ó Faith ·Ó Fatha ·Ó Fathaigh ·Fee ·Ó Féith ·Ó Fiaich ·Foy ·Green
44. Fealy → Ó Fáilbhe ·Falvey
45. Ó Fearacháin → Farren ·Fearon
46. Ó Fearachair → Carragher ·Farragher ·Ó Fearchair ·Mac Fhearchair ·Fraher
47. Ó Fearadhaigh → Farry ·Ó Fearadhaigh ·Ó Feardhaigh ·Ó Fearraí ·Ó Fearraidhe ·Ó Fearraigh ·Ferry ·Mac Fhearadhaigh ·Mac Garaidh ·McGarraghy ·Garrahy ·Garrihy ·McGarry ·Mac Gearachaigh ·Mac Gearchaigh ·Geary ·McHarry
48. Ó Fearáin → Fearon
49. Ó Fearchair → Carragher ·Farragher ·Ó Fearachair ·Mac Fhearchair ·Fraher
50. Ó Feardhaigh → Farry ·Ó Fearadhaigh ·Ó Fearraí ·Ó Fearraidhe ·Ó Fearraigh ·Ferry ·Mac Fhearadhaigh ·Garrahy ·Garrihy ·McGarry
51. Ó Fearghail → Mac Airligh ·Carley ·Ó Faircheallaigh ·Farell ·O'Farrell ·O'Farrelly ·Ó Fearghaile ·Mac Fhearghaile
52. Ó Fearghaile → Mac Airligh ·Carley ·Ó Faircheallaigh ·Farell ·O'Farrell ·O'Farrelly ·Ó Fearghail ·Mac Fhearghaile ·Frawley ·McGuirl ·Kerley
53. Ó Fearghaíosa → Farrissey ·Farrissy ·Ó Fearghusa ·Fergus ·Ferguson ·Ferris ·Mac Fhearghusa
54. Ó Fearghusa → Farrissey ·Farrissy ·Ó Fearghaíosa ·Fergus ·Ferguson ·Ferris ·Mac Fhearghusa
55. Fearon → Farren ·Ó Fearacháin ·Ó Fearáin
56. Ó Fearraí → Farry ·Ó Fearadhaigh ·Ó Feardhaigh ·Ó Fearraidhe ·Ó Fearraigh ·Ferry ·Mac Fhearadhaigh ·McGarraghy ·Garrahy ·Garrihy ·McGarry ·McHarry
57. Ó Fearraidhe → Farry ·Ó Fearadhaigh ·Ó Feardhaigh ·Ó Fearraí ·Ó Fearraigh ·Ferry ·Mac Fhearadhaigh ·Garrahy ·McGarry
58. Ó Fearraigh → Farry ·Ó Fearadhaigh ·Ó Feardhaigh ·Ó Fearraí ·Ó Fearraidhe ·Ferry ·Mac Fhearadhaigh ·Garrahy ·McGarry ·Geary
59. Fee → Fahey ·Fahy ·Ó Fathaigh ·Fay ·Feighery ·Mac Fhiachra ·Ó Fiachna ·Ó Fiaich ·Foy ·Green ·Hunt
60. Feehan → Fehan ·Ó Féichín ·Ó Feithín ·Ó Fiacháin
61. Feeley → Feely ·Fehilly ·Ó Fithcheallaigh
62. Feely → Feeley ·Fehilly ·Field ·Fielding ·Ó Fithchealla ·Ó Fithcheallaigh
63. Feeney → Feeny ·Ó Féinneadha ·Ó Fiannaidh ·Ó Fiannaidhe ·Ó Fiannaigh ·Ó Finneadha ·Ó Fíona
64. Feeny → Feeney ·Ó Fiannaidh ·Ó Fiannaidhe ·Ó Fiannaigh ·Ó Finneadha ·Ó Fíona
65. Fegan → Ó Fágáin ·Fagan ·Ó Faodhagáin ·Fehan ·Ó Fiacháin ·Mac Pháidín
66. Fehan → Fagan ·Ó Faodhagáin ·Feehan ·Fegan ·Ó Féichín ·Ó Feithín ·Ó Fiacháin
67. Fehilly → Feeley ·Feely ·Field ·Fielding ·Ó Fithchealla ·Ó Fithcheallaigh
68. Ó Féichín → Feehan ·Fehan ·Ó Feithín ·Ó Fiacháin
69. Feighery → Fee ·Mac Fhiachra ·Ó Fiachna ·Ó Fiachra ·Ó Fiaich ·Hunt
70. Ó Féinneadha → Feeney ·Ó Finneadha
71. Feirtéar → Ferriter ·Firtéar
72. Ó Féith → Ó Faith ·Fay ·Ó Fiaich ·Foy
73. Ó Feithín → Feehan ·Fehan ·Ó Féichín ·Ó Fiacháin
74. Felban → Philbin ·Mac Philbín
75. Fenelon → Fenlon ·Ó Fionnalláin
76. Fenighty → Fenton ·Ó Fiannachta ·Ó Fiannachtaigh ·Finnerty ·Ó Fíonartaigh ·Ó Fionnachta ·Ó Fionnachtaigh ·Ó Fionntáin
77. Fenlon → Fenelon ·Fennell ·Fennelly ·Finlay ·Ó Fionnalláin ·Ó Fionnghalaigh
78. Fennell → Fenlon ·Fennelly ·Mac Fhionnghaile ·Mac Fhionnlaich ·Finlay ·Ó Fionnghaile ·Ó Fionnghalaigh ·McGinley
79. Fennelly → Mac Conghaile ·Mac Conleágha ·Fenlon ·Fennell ·Mac Fhionnghaile ·Mac Fhionnlaich ·Mac Fhionnlaoich ·Finlay ·Ó Fionnghaile ·Ó Fionnghalaigh ·Ó Fionnlaoich ·McGinley ·McKinley ·Mac an Leagha
80. Fennessey → Ó Fionnghusa
81. Fenning → Fannin ·Fanning ·Fannon ·Finan ·Ó Fionnáin
82. Fenton → Fenighty ·Mac Fhionnachta ·Ó Fiannachta ·Ó Fiannachtaigh ·Ó Finneachta ·Finnerty ·Ó Fíonartaigh ·Ó Fionnachta ·Ó Fionnachtaigh ·Ó Fionntáin ·McGinty
83. Fergus → Farrissey ·Farrissy ·Ó Fearghaíosa ·Ó Fearghusa ·Ferguson ·Ferris ·Mac Fhearghusa
84. Ferguson → Farrissey ·Farrissy ·Ó Fearghaíosa ·Ó Fearghusa ·Fergus ·Ferris ·Mac Fhearghusa
85. Ferris → Farrissey ·Farrissy ·Ó Fearghaíosa ·Ó Fearghusa ·Fergus ·Ferguson ·Mac Fhearghusa
86. Ferriter → Feirtéar ·Firtéar
87. Ferry → Farry ·Ó Fearadhaigh ·Ó Feardhaigh ·Ó Fearraí ·Ó Fearraidhe ·Ó Fearraigh ·Mac Fhearadhaigh ·McGarraghy ·Garrahy ·Garrihy ·McGarry ·Geary ·McHarry
88. Mac an Fhailghigh → McAnally ·Nally
89. Mac Giolla Fhaoláin → Allen ·Ó hAlmhain ·Ó Caoileáin ·Ó Caoláin ·McClelland ·Ó Coileáin ·Mac Giolla Fhaoláin ·Gilliland ·Ó Haoileáin ·Ó Haoláin ·Ó Haolláin ·Heelan ·Hillen ·Ó Hiolláin ·Ó Holláin ·Holland ·Hollins ·Ó Hollúin ·Ó Hulláin ·Hyland ·Keelan ·Leland
90. Mac Fhearadhaigh → Mac Énrí ·Farry ·Ó Fearadhaigh ·Ó Feardhaigh ·Ó Fearraí ·Ó Fearraidhe ·Ó Fearraigh ·Ferry ·Mac Fhearraigh ·Mac Garaidh ·McGarraghy ·Garrahy ·Garrihy ·McGarry ·Mac Gearachaigh ·Mac Gearchaigh ·Geary ·McHarry ·Henery ·Ó Hénrí ·McHenry ·Mac Inneirghe ·McKendry
91. Mac Fhearchair → Carragher ·Farragher ·Ó Fearachair ·Ó Fearchair ·Fraher
92. Mac Fheargail → Mac Fhearghaile ·McGarrigle
93. Mac Fhearghail → McGirl ·McGuirl
94. Mac Fhearghaile → Mac Airligh ·Carley ·McCorley ·Curley ·Ó Faircheallaigh ·Farell ·O'Farrell ·O'Farrelly ·Ó Fearghail ·Ó Fearghaile ·Mac Fheargail ·McGarrigle ·McGuirl ·Kerley ·Mac Thoirdhealbhaigh ·Turley
95. Mac Fhearghusa → Farrissey ·Farrissy ·Ó Fearghaíosa ·Ó Fearghusa ·Fergus ·Ferguson ·Ferris
96. Mac Fhearraigh → Mac Fhearadhaigh
97. Mac Fheorais → Bermingham ·Berminghim ·Birmingham ·Ceorais ·Corish
98. Mac Fhiachra → Fee ·Feighery ·Ó Fiachna ·Ó Fiaich ·Hunt
99. Mac Fhinn → Mac Conraoi ·Fair ·Ó Finn ·MacGing ·McKing ·Maginn ·Phayre
100. Mac Fhinneachtaigh → Mac Fhionnachtaigh ·Mac Fhíontaigh ·Ó Fiannachta ·Ó Fiannachtaigh ·Ó Fionnachtaigh ·McGinnitty ·MacGinnity ·McGinty ·Gionnachtaigh ·Ó Gíontaigh ·Magennity
101. Mac Giolla Fhinnéin → McAleenan
102. Mac Fhionáin → Gannon ·Ó Geanáin ·Ó Geannáin ·Ó Gionáin ·Ó Gionnáin ·Guinane ·Guinnane ·Kinnane
103. Mac Fhionghuin → McKinnon
104. Mac Fhionnachta → Fenton ·Ó Fiannachta ·Finnerty ·Ó Fíonartaigh ·Ó Fionnachta ·McGinty
105. Mac Fhionnachtaigh → Mac Fhinneachtaigh ·Mac Fhíontaigh ·Ginnitty ·McGinty ·Gionnachtaigh ·Ó Gíontaigh
106. Mac Fhionnghaile → Mac Conghaile ·Mac Conleágha ·Fennell ·Fennelly ·Mac Fhionnlaich ·Mac Fhionnlaoich ·Finlay ·Ó Fionnghaile ·Ó Fionnghalaigh ·Ó Fionnlaoich ·McGinley ·McKinley ·Mac an Leagha
107. Mac Fhionnlaich → Fennell ·Fennelly ·Mac Fhionnghaile ·Finlay ·Ó Fionnghaile ·Ó Fionnghalaigh ·McGinley
108. Mac Fhionnlaoich → Mac Conghaile ·Mac Conleágha ·Fennelly ·Mac Fhionnghaile ·Finlay ·Ó Fionnghaile ·Ó Fionnlaoich ·McGinley ·McKinley ·Mac an Leagha
109. Mac Fhionntaigh → McGinty ·Magennity
110. Mac Fhíontaigh → Mac Fhinneachtaigh ·Mac Fhionnachtaigh ·Ó Fiannachta ·Ó Fiannachtaigh ·Ó Fionnachtaigh ·McGinnitty ·MacGinnity ·McGinty ·Gionnachtaigh ·Ó Gíontaigh ·Magennity
111. Mac an Fhir → Coinnér ·Kinnear ·Kinner
112. Mac Fhlaithbheartaigh → Clafferty ·Claffey ·Ó Fatharta ·O'Flaherty ·Ó Flaithbhearta ·Ó Flaithbheartaigh ·Ó Flaithearta ·Ó Flárta ·Ó Flatharta ·Ó Flathartaigh ·Lafferty ·Mac Laithbheartaigh ·McLaverty
113. Mac Fhlaithimh → Claffey ·Ó Flaithimh ·Laffey ·Lahey ·Lahy ·Ó Laithimh ·Ó Laithmhe ·Ó Laochdha ·Mac Lathaigh ·Leahy
114. Mac Fhlannagáin → MacClenaghan ·Ó Flanagáin ·Flanagan ·Ó Flannagáin ·Flannagan ·Ó Lanagáin ·Langan ·Lanigan ·Mac Léanacháin ·Ó Lonagáin ·Ó Longáin ·Longan
115. Mac Fhlannáin → Glennon ·Mac Glionnáin ·Mac Leannáin
116. Mac Fhlannchadha → Clancy ·Ó Flannchadha
117. Mac Fhloinn → Flinn ·Ó Floinn ·O'Flynn ·McGloin ·Ó Gloinn ·Ó Gloinne ·McGlynn ·Ó Laidhin ·Ó Laighin ·Laing ·Ó Lainn ·Lane ·Lang ·Leen ·Ó Leidhin ·Ó Liadhain ·Lyne ·Lyng ·Lynn ·Lyons
118. Mac Fhógartaigh → Ó Fógarta ·Ó Fógartaigh ·Fogarty ·Gogarty
119. Mac Fhualáin → Ó Cualáin ·Ó Cúláin ·Folan ·Foley ·Ó Fualáin ·Mac Searraigh ·Mac Thuathaláin ·Tolin ·Toolan ·Toolin ·Toolis ·Ó Tuathaláin
120. Mac Fhuallaigh → Ó Fuallaigh ·Howley ·Ó Hualla ·Ó Huallaigh ·Woolley
121. Ó Fiacha → Fyfe
122. Ó Fiacháin → Ó Fágáin ·Fagan ·Ó Faodhagáin ·Feehan ·Fegan ·Fehan ·Ó Féichín ·Ó Feithín ·Mac Pháidín
123. Ó Fiachna → Fee ·Feighery ·Mac Fhiachra ·Ó Fiaich ·Hunt
124. Ó Fiachra → Feighery ·Hunt
125. Ó Fiaich → Fahey ·Fahy ·Ó Faith ·Ó Fathaigh ·Fay ·Fee ·Feighery ·Ó Féith ·Mac Fhiachra ·Ó Fiachna ·Foy ·Green ·Hunt
126. Ó Fiannachta → Fenighty ·Fenton ·Mac Fhinneachtaigh ·Mac Fhionnachta ·Mac Fhíontaigh ·Ó Fiannachtaigh ·Ó Finneachta ·Finnerty ·Ó Fíonartaigh ·Ó Fionnachta ·Ó Fionnachtaigh ·Ó Fionntáin ·McGinnitty ·McGinty ·Ó Gíontaigh
127. Ó Fiannachtaigh → Fenighty ·Fenton ·Mac Fhinneachtaigh ·Mac Fhíontaigh ·Ó Fiannachta ·Finnerty ·Ó Fíonartaigh ·Ó Fionnachta ·Ó Fionnachtaigh ·McGinnitty ·McGinty ·Ó Gíontaigh
128. Ó Fiannaidh → Feeney ·Feeny ·Ó Fiannaidhe ·Ó Fiannaigh ·Ó Finneadha ·Ó Fíona
129. Ó Fiannaidhe → Feeney ·Feeny ·Ó Fiannaidh ·Ó Fiannaigh ·Ó Finneadha ·Ó Fíona
130. Ó Fiannaigh → Feeney ·Feeny ·Ó Fiannaidh ·Ó Fiannaidhe ·Ó Finneadha ·Ó Fíona
131. Field → Feely ·Fehilly ·Fielding ·Ó Fithchealla
132. Fielding → Feely ·Fehilly ·Field ·Ó Fithchealla
133. Ó Figheadóra → Weaver ·Weever
134. Filban → Filbin ·Ó Filbín ·Philban ·Philbin ·Mac Philbín ·Ó Pilbín ·Plover
135. Filbin → Filban ·Philbin ·Mac Philbín ·Ó Pilbín ·Plover
136. Ó Filbín → Filban ·Philban ·Philbin ·Mac Philbín ·Ó Pilbín
137. Finan → Fannin ·Fanning ·Fannon ·Fenning ·Ó Fionnáin
138. Finegan → Finnegan ·Ó Fionnagáin
139. Finlay → Mac Conghaile ·Mac Conleágha ·Fenlon ·Fennell ·Fennelly ·Mac Fhionnghaile ·Mac Fhionnlaich ·Mac Fhionnlaoich ·Ó Fionnghaile ·Ó Fionnghalaigh ·Ó Fionnlaoich ·McGinley ·McKinley ·Mac an Leagha
140. Ó Finn → Fair ·Mac Fhinn ·Ó Finn ·Maginn ·Phayre
141. Ó Finneachta → Fenton ·Ó Fiannachta ·Finnerty ·Ó Fíonartaigh ·Ó Fionnachta
142. Ó Finneadha → Feeney ·Feeny ·Ó Féinneadha ·Ó Fiannaidh ·Ó Fiannaidhe ·Ó Fiannaigh ·Ó Fíona
143. Finnegan → Finegan ·Ó Fionnagáin
144. Finneran → Ó Finnthighearn
145. Finnerty → Fenighty ·Fenton ·Mac Fhionnachta ·Ó Fiannachta ·Ó Fiannachtaigh ·Ó Finneachta ·Ó Fíonartaigh ·Ó Fionnachta ·Ó Fionntáin ·McGinty
146. Ó Finnthighearn → Finneran
147. Finnucane → Finucane ·Ó Fionndhubhcáin ·Ó Fionnmhacáin
148. Finucane → Finnucane ·Ó Fionndhubhcáin ·Ó Fionnmhacáin
149. Ó Fiodhabhra → Ó Fúraigh ·Furey
150. Ó Fíona → Feeney ·Feeny ·Ó Fiannaidh ·Ó Fiannaidhe ·Ó Fiannaigh ·Ó Finneadha
151. Ó Fíonartaigh → Fenighty ·Fenton ·Mac Fhionnachta ·Ó Fiannachta ·Ó Fiannachtaigh ·Ó Finneachta ·Finnerty ·Ó Fionnachta ·McGinty
152. Ó Fionnachta → Fenighty ·Fenton ·Mac Fhionnachta ·Ó Fiannachta ·Ó Fiannachtaigh ·Ó Finneachta ·Finnerty ·Ó Fíonartaigh ·Ó Fionntáin ·McGinty
153. Ó Fionnachtaigh → Fenighty ·Fenton ·Mac Fhinneachtaigh ·Mac Fhíontaigh ·Ó Fiannachta ·Ó Fiannachtaigh ·McGinnitty ·McGinty ·Ó Gíontaigh
154. Ó Fionnagáin → Finegan ·Finnegan
155. Ó Fionnáin → Fannin ·Fanning ·Fannon ·Fenning ·Finan
156. Ó Fionnalláin → Fenelon ·Fenlon
157. Ó Fionndhubhcáin → Finnucane ·Finucane ·Ó Fionnmhacáin
158. Ó Fionnghaile → Mac Conghaile ·Mac Conleágha ·Fennell ·Fennelly ·Mac Fhionnghaile ·Mac Fhionnlaich ·Mac Fhionnlaoich ·Finlay ·Ó Fionnghalaigh ·Ó Fionnlaoich ·McGinley ·McKinley ·Mac an Leagha
159. Ó Fionnghalaigh → Fenlon ·Fennell ·Fennelly ·Mac Fhionnghaile ·Mac Fhionnlaich ·Finlay ·Ó Fionnghaile ·McGinley
160. Ó Fionnghusa → Fennessey
161. Ó Fionnlaoich → Mac Conghaile ·Mac Conleágha ·Fennelly ·Mac Fhionnghaile ·Mac Fhionnlaoich ·Finlay ·Ó Fionnghaile ·McGinley ·McKinley ·Mac an Leagha
162. Ó Fionnmhacáin → Finnucane ·Finucane ·Ó Fionndhubhcáin
163. Ó Fionntáin → Fenighty ·Fenton ·Ó Fiannachta ·Finnerty ·Ó Fionnachta
164. Mac Firbhisigh → Forbes
165. Firtéar → Feirtéar ·Ferriter
166. Fisher → Ó Bradáin ·Mac an Iascaire
167. Ó Fithchealla → Feely ·Fehilly ·Field ·Fielding
168. Ó Fithcheallaigh → Feeley ·Feely ·Fehilly
169. Fitzgerald → Mac Gearailt
170. Fitzgibbon → Gibbon ·Ó Giobúin ·Giobún
171. Fitzgibbons → Gibbons ·Ó Giobúin ·Giobún
172. Fitzmartin → Gilmartin ·Kilmartin ·Ó Máirtín ·Mártan ·Martin ·Martyn ·Mac Giolla Mháirtín ·Mac Giolla Mhártain
173. Fitzmaurice → Mac Giolla Mhuiris ·Morris ·Morrison ·Morrissey ·Ó Muirgheasa ·Mac Muiris
174. Fitzpatrick → Bann ·Mac Giolla Phádraig ·Mac Séartha
175. Fitzsimmons → Fitzsimons ·Mac an Ridire ·Ryder ·Ó Simeoin ·Simmons ·Mac Síomóin
176. Fitzsimons → Fitzsimmons ·McKnight ·Mac an Ridire ·Ryder ·Ó Simeoin ·Simmon ·Simmonds ·Simmons ·Ó Síomóin
177. Ó Flabháin → Ó Flaitheamháin ·Ó Flathamháin ·Flavin
178. O'Flaherty → Claffey ·Faherty ·Ó Fárta ·Ó Fatharta ·Ó Fátharta ·Ó Fathartaigh ·Mac Fhlaithbheartaigh ·O'Flaherty ·Ó Flaithbhearta ·Ó Flaithbheartaigh ·Ó Flaithearta ·Ó Flárta ·Ó Flatharta ·Ó Flathartaigh ·Ó Hairt ·Ó Harta ·Harty ·Lafferty ·Ó Laithbheartaigh ·McLaverty
179. Flahive → Ó Flaithimh ·Ó Laithimh
180. Ó Flaithbhearta → Ó Fatharta ·Mac Fhlaithbheartaigh ·O'Flaherty ·Ó Flaithbheartaigh ·Ó Flaithearta ·Ó Flárta ·Ó Flatharta ·Ó Flathartaigh ·Lafferty ·Laverty
181. Ó Flaithbheartaigh → Clafferty ·Ó Fatharta ·Mac Fhlaithbheartaigh ·O'Flaherty ·Ó Flaithbhearta ·Ó Flaithearta ·Ó Flárta ·Ó Flatharta ·Ó Flathartaigh ·Lafferty ·Mac Laithbheartaigh ·McLaverty
182. Ó Flaitheamháin → Ó Flabháin ·Ó Flathamháin ·Flavin
183. Ó Flaithearta → Ó Fatharta ·Mac Fhlaithbheartaigh ·O'Flaherty ·Ó Flaithbhearta ·Ó Flaithbheartaigh ·Ó Flárta ·Ó Flatharta ·Ó Flathartaigh ·Lafferty ·Laverty
184. Ó Flaithimh → Claffey ·Mac Fhlaithimh ·Flahive ·Laffey ·Lahey ·Lahy ·Ó Laithimh ·Ó Laithmhe ·Ó Laochdha ·Leahy
185. Ó Flaithimhín → Flavin ·Ó Láimhín ·Ó Lámháin ·Lavan ·Lavin
186. Ó Flaitile → Flatley
187. Ó Flanagáin → Mac Fhlannagáin ·Flanagan ·Ó Flannagáin ·Flannagan
188. Flanagan → Mac Fhlannagáin ·Ó Flanagáin ·Ó Flannagáin ·Flannagan
189. Ó Flannabhra → Flannelly ·Flannery
190. Ó Flannagáin → MacClenaghan ·Mac Fhlannagáin ·Ó Flanagáin ·Flanagan ·Flannagan ·Mac Léanacháin
191. Flannagan → Mac Fhlannagáin ·Ó Flanagáin ·Flanagan ·Ó Flannagáin
192. Ó Flannchadha → Clancy ·Mac Fhlannchadha
193. Flannelly → Ó Flannabhra ·Flannery ·Ó Flannghaile
194. Flannery → Ó Flannabhra ·Flannelly ·Ó Flannghaile
195. Ó Flannghaile → Flannelly ·Flannery
196. Ó Flárta → Ó Fatharta ·Mac Fhlaithbheartaigh ·O'Flaherty ·Ó Flaithbhearta ·Ó Flaithbheartaigh ·Ó Flaithearta ·Ó Flatharta ·Ó Flathartaigh ·Lafferty ·Laverty
197. Ó Flathamháin → Ó Flabháin ·Ó Flaitheamháin ·Flavin
198. Ó Flatharta → Faherty ·Ó Fárta ·Ó Fatharta ·Ó Fátharta ·Ó Fathartaigh ·Mac Fhlaithbheartaigh ·O'Flaherty ·Ó Flaithbhearta ·Ó Flaithbheartaigh ·Ó Flaithearta ·Ó Flárta ·Ó Flathartaigh ·Ó Hairt ·Ó Harta ·Harty ·Lafferty ·Ó Laithbheartaigh ·Laverty
199. Ó Flathartaigh → Ó Fatharta ·Mac Fhlaithbheartaigh ·O'Flaherty ·Ó Flaithbhearta ·Ó Flaithbheartaigh ·Ó Flaithearta ·Ó Flárta ·Ó Flatharta ·Lafferty ·Laverty
200. Flatley → Ó Flaitile
201. Flavin → Ó Flabháin ·Ó Flaitheamháin ·Ó Flaithimhín ·Ó Flathamháin ·Ó Gláibhín ·Ó Gláimhín ·Glavin ·Ó Láimhín ·Ó Lámháin ·Lavan ·Lavin
202. Fleming → Pléimeann ·Pléimionn
203. Flinn → Mac Fhloinn ·Ó Floinn ·O'Flynn ·Mac Gloin ·MacGlynn ·Laing ·Ó Lainn ·Lang ·Lyne ·Lyng ·Lynn
204. Ó Floinn → Mac Fhloinn ·Flinn ·O'Flynn ·McGloin ·Mac Gloinn ·McGlynn ·Ó Laidhin ·Ó Laighin ·Laing ·Ó Lainn ·Lane ·Lang ·Ó Laoidhigh ·Leen ·Ó Leidhin ·Ó Liadhain ·Ó Liatháin ·Ó Loinnigh ·Lyne ·Lyng ·Lynn ·Lyons
205. Flood → Ó Maoltuile ·Ó Taichligh ·Ó Tuile ·Tully
206. O'Flynn → Mac Fhloinn ·Flinn ·Ó Floinn ·O'Flynn ·McGloin ·Mac Gloinn ·McGlynn ·Ó Laidhin ·Ó Laighin ·Laing ·Ó Lainn ·Lang ·Ó Loinnigh ·Lyne ·Lyng ·Lynn
207. Ó Fodhladha → Ó Foghlú ·Ó Foghlúdha ·Folan ·Foley
208. Ó Fógarta → Mac Fhógartaigh ·Ó Fógartaigh ·Fogarty ·Gogarty
209. Ó Fógartaigh → Mac Fhógartaigh ·Ó Fógarta ·Fogarty ·Gogarty ·Haggerty ·Ó Hágúrtaigh ·Hegarty
210. Fogarty → Mac Fhógartaigh ·Ó Fógarta ·Ó Fógartaigh ·Gogarty ·Haggerty ·Ó Hágúrtaigh ·Hegarty
211. Ó Fóghladha → Ó Foghlú ·Ó Foghludha ·Foley ·Mac Searraigh ·Sharry
212. Ó Foghlú → Ó Fodhladha ·Ó Fóghladha ·Ó Foghludha ·Ó Foghlúdha ·Folan ·Foley ·Searraigh ·Sharry ·Sherry
213. Ó Foghludha → Ó Fóghladha ·Ó Foghlú ·Foley ·Mac Searraigh ·Sharry
214. Ó Foghlúdha → Ó Fodhladha ·Ó Foghlú ·Folan ·Foley
215. Folan → Ó Cualáin ·Ó Cúláin ·Mac Fhualáin ·Ó Fodhladha ·Ó Foghlú ·Ó Foghlúdha ·Foley ·Ó Fualáin ·Searraigh ·Sharry ·Sherry ·Mac Thuathaláin ·Ó Tolain ·Tolan ·Tolin ·Toolan ·Toolis ·Ó Tuathaláin ·Ó Tuathlainn
216. Foley → Ó Cualáin ·Ó Cúláin ·Mac Fhualáin ·Ó Fodhladha ·Ó Fóghladha ·Ó Foghlú ·Ó Foghludha ·Ó Foghlúdha ·Folan ·Ó Fualáin ·Searraigh ·Sharry ·Sherry
217. Foody → Ó Fuada ·Ó Fuadacháin ·Swift
218. Ó Fóráin → Mac Giolla an Átha ·Mac Conámha ·Foran ·Forde ·Ó Fuaráin ·Ó Fuartháin ·Mac Giollarnáth
219. Foran → Adams ·Mac Giolla an Átha ·Mac Conámha ·Ó Fóráin ·Forde ·Ó Fuaráin ·Ó Fuartháin ·Mac Giollarnáth
220. Forbes → Mac Firbhisigh
221. Ford → Mac Giolla an Átha ·Forde ·Mac Giollarnáth
222. Forde → Adams ·Mac Giolla an Átha ·Mac Conámha ·Ó Fóráin ·Foran ·Ford ·Ó Fuaráin ·Ó Fuartháin ·Mac Giollarnáth
223. Forkin → Ó Gabhláin ·Ó Gailliúin ·Gallen ·Ó Goilín ·Ó Goillidhe ·Golden ·Golding ·Goulden ·Goulding ·Ó Guillí
224. Fox → de Bhosc ·Ó Seanacháin ·Ó Seanaigh ·Shanahan ·Shannon ·Shanny ·Ó Sionacháin ·Ó Sionnaigh ·Tinney
225. Foy → Fahey ·Fahy ·Ó Faith ·Ó Fatha ·Ó Fathaigh ·Fay ·Fee ·Ó Féith ·Ó Fiaich ·Green
226. Foyle → Guilfoyle ·Mac Giolla Phóil ·Póil ·Poland ·Powell
227. Fraher → Carragher ·Farragher ·Ó Fearachair ·Ó Fearchair ·Mac Fhearchair
228. Ó Frainclín → Franklin
229. Frances → Francis ·Proinnsias
230. Francis → Frances ·Proinnsias
231. Franklin → Ó Frainclín
232. Frawley → O'Farrell ·O'Farrelly ·Ó Fearghaile
233. Freaney → Freeney ·de Fréin
234. Freeley → Freely ·O'Freil ·O'Friel ·Ó Frighil ·Ó Frithile
235. Freely → Freeley ·O'Freil ·O'Friel ·Ó Frighil ·Ó Frithile
236. Freeney → Freaney ·de Fréin
237. O'Freil → Freeley ·Freely ·O'Freil ·O'Friel ·Ó Frighil ·Ó Frithile
238. de Fréin → Freaney ·Freeney
239. Freis → Fresh
240. Fresh → Freis
241. O'Friel → Freeley ·Freely ·O'Freil ·O'Friel ·Ó Frighil ·Ó Frithile
242. Ó Frighil → Freeley ·Freely ·O'Freil ·O'Friel ·Ó Frithile
243. Ó Frithile → Freeley ·Freely ·O'Freil ·O'Friel ·Ó Frighil
244. Ó Fuada → Foody ·Ó Fuadacháin ·Swift
245. Ó Fuadacháin → Foody ·Ó Fuada ·Swift
246. Ó Fualáin → Ó Cualáin ·Ó Cúláin ·Mac Fhualáin ·Folan ·Foley ·Mac Searraigh
247. Ó Fuallaigh → Mac Fhuallaigh ·Howley ·Ó Hualla ·Ó Huallaigh ·Woolley
248. Ó Fuaráin → Mac Conámha ·Ó Fóráin ·Foran ·Forde ·Ó Fuartháin ·Mac Giollarnáth
249. Ó Fuartháin → Adams ·Mac Giolla an Átha ·Mac Conámha ·Ó Fóráin ·Foran ·Forde ·Ó Fuaráin ·Mac Giollarnáth
250. Ó Fuaruisce → Caldwell ·Ó Hoiscín ·Ó Tuairisc ·Ó Tuairisg ·Ó Tuaraisce ·Ó Tuaruisce ·Mac Uaitéir ·Waters ·Watters
251. Ó Fúraigh → Ó Fiodhabhra ·Furey
252. Furey → Ó Fiodhabhra ·Ó Fúraigh
253. Fyfe → Ó Fiacha

The index data are being made available here under an open licence by Gaois, Fiontar & Scoil na Gaeilge, DCU and the National Folklore Collection, UCD. Please note that this is not an authoritative index of surnames, nor has it been edited. Feedback is welcome at eolas@duchas.ie.

Machine-readable data

Available under Open Database License (ODbL) v1.0