County 'County Londonderry'
| Surnames in alphabetical order | A | B | C | D | E | F | G | H | I | J | K | L | M | N | O | P | Q | R | S | T | U | V | W | X | Y | Z | |
| Surnames sorted by county | A | B | C | D | E | F | G | H | I | J | K | L | M | N | O | P | Q | R | S | T | U | V | W | X | Y | Z |
- Kane (278 persons)
- John (274 persons)
- Neill (213 persons)
- Mullan (204 persons)
- Bradley (202 persons)
- Kelly (200 persons)
- Moore (186 persons)
- Mclaughlin (175 persons)
- Wilson (164 persons)
- Smyth (158 persons)
- Doherty (156 persons)
- Stewart (151 persons)
- Campbell (139 persons)
- Brown (138 persons)
- Johnston (134 persons)
- Martin (115 persons)
- Scott (114 persons)
- Mckenna (110 persons)
- Boyd (106 persons)
- Henry (105 persons)
- Thompson (104 persons)
- Quinn (97 persons)
- Hutchinson (96 persons)
- Kennedy (91 persons)
- Anderson (90 persons)
- Donnelly (89 persons)
- Graham (86 persons)
- Mckee (85 persons)
- Robt (84 persons)
- Connor (83 persons)
- Young (81 persons)
- Hunter (80 persons)
- Mcmullan (78 persons)
- Mccloskey (77 persons)
- Millar (75 persons)
- Devlin (72 persons)
- Murray (70 persons)
- Scullion (69 persons)
- Centre (69 persons)
- Mulholland (69 persons)
- Thos (68 persons)
- Irwin (66 persons)
- Simpson (63 persons)
- Crawford (63 persons)
- Quigg (63 persons)
- Mcguckin (62 persons)
- Boyle (62 persons)
- Hamilton (61 persons)
- Mcguigan (61 persons)
- Craig (59 persons)
- Glass (59 persons)
- Taylor (59 persons)
- Robinson (59 persons)
- Kerr (59 persons)
- Hugh (57 persons)
- Kearney (56 persons)
- Mcnicholl (56 persons)
- Hughes (55 persons)
- Sons (55 persons)
- Bell (54 persons)
- Lagan (53 persons)
- Henderson (53 persons)
- Montgomery (53 persons)
- Gordon (52 persons)
- Mccann (52 persons)
- Mcdonald (52 persons)
- Gibson (50 persons)
- Higgins (50 persons)
- Patk (49 persons)
- Paul (49 persons)
- Wallace (49 persons)
- Holmes (48 persons)
- Hagan (47 persons)
- Rankin (47 persons)
- Morrow (47 persons)
- Blair (47 persons)
- White (47 persons)
- Fleming (46 persons)
- Patterson (46 persons)
- Mcerlean (46 persons)
- Armstrong (45 persons)
- Convery (44 persons)
- Dickson (44 persons)
- Murphy (44 persons)
- Mcwilliams (43 persons)
- Nicholl (43 persons)
- Doyle (43 persons)
- Mcgrath (43 persons)
- Mckay (43 persons)
- Cassidy (42 persons)
- Pollock (42 persons)
- Mitchell (42 persons)
- Lennox (42 persons)
- Mckinney (42 persons)
- Logue (42 persons)
- Mcauley (41 persons)
- Reid (41 persons)
- Gallagher (41 persons)
- Conway (41 persons)
- Hegarty (40 persons)
- Black (40 persons)
- Allen (40 persons)
- Evans (40 persons)
- Diamond (40 persons)
- Brian (40 persons)
- Hara (40 persons)
- Mcbride (40 persons)
- Ferguson (40 persons)
- Barr (39 persons)
- Mcafee (39 persons)
- Miller (39 persons)
- Morrison (39 persons)
- Newtownards (39 persons)
- James (38 persons)
- Mcneill (38 persons)
- Donaghy (38 persons)
- Mclean (37 persons)
- Dunlop (37 persons)
- Gilmore (37 persons)
- Mcclelland (36 persons)
- Cochrane (35 persons)
- Mcallister (35 persons)
- Lynch (34 persons)
- Saml (34 persons)
- Duffy (34 persons)
- Mcgowan (34 persons)
- Brien (34 persons)
- Mccartney (34 persons)
- Mccloy (33 persons)
- Toner (33 persons)
- Adams (33 persons)
- Caskey (33 persons)
- Bank (33 persons)
- Douglas (32 persons)
- Shiels (32 persons)
- Mcgill (32 persons)
- Mckeown (32 persons)
- Ulster (31 persons)
- Fulton (31 persons)
- Linton (31 persons)
- Laverty (31 persons)
- Smith (31 persons)
- Steele (31 persons)
- Gregg (31 persons)
- Kealey (30 persons)
- Oliver (30 persons)
- Mcquillan (30 persons)
- Club (30 persons)
- Mccormick (30 persons)
- Ireland (30 persons)
Surnames with less than 5 persons are not displayed.
