(Click the number or surname column headers to sort the details)
Number     Surname  Est. Total Population
(1,000s)
1Murphy62.6
2Kelly55.9
3Sullivan43.6
4Walsh41.7
5Smith33.7
6O'Brien33.4
7Byrne33.3
8Ryan32
9Connor31.2
10O'Neill29.1
11Reilly29
12Doyle23
13McCarthy22.3
14Gallagher21.8
15Doherty20.8
16Kennedy19.9
17Lynch19.8
18Murray19.6
19Quinn18.2
20Moore17.7
21McLaughlin17.5
22Carroll17.4
23Connolly17
24Daly17
25Connell16.6
26Wilson16.3
27Dunne16.3
28Brennan16
29Burke15.9
30Collins15.7
31Campbell15.6
32Clarke15.4
33Johnston15.2
34Hughes14.9
35Farrell14.7
36Fitzgerald14.7
37Brown14.6
38Martin14.6
39Maguire14.4
40Nolan14.3
41Flynn14.3
42Thompson14.2
43Callaghan14
44O'Donnell13.9
45Duffy13.6
46Mahony13.5
47Boyle13
48Healy13
49Shea13
50White13
51Sweeney12.5
52Hayes12.3
53Kavanagh12.2
54Power12.1
55McGrath11.9
56Moran11.8
57Brady11.6
58Stewart11.4
59Casey11.3
60Foley11.2
61Fitzpatrick11.2
62Leary11
63McDonnell11
64McMahon10.7
65Donnelly10.7
66Regan10.5
67Donovan9.9
68Burns9.8
69Flanagan9.8
70Mullan9.8
71Barry9.7
72Kane9.7
73Robinson9.7
74Cunningham9.6
75Griffin9.6
76Kenny9.6
77Sheehan9.6
78Ward9.5
79Whelan9.5
80Lyons9.4
81Reid9.2
82Graham9.1
83Higgins9.1
84Cullen9
85Keane9
86King9
87Maher9
88McKenna9
89Bell8.8
90Scott8.7
91Hogan8.6
92Keeffe8.6
93Magee8.6
94McNamara8.6
95McDonald8.5
96McDermott8.4
97Moloney8.3
98Rourke8.3
99Buckley8.2
100Dwyer8.1
100 records
 


List of the most common surnames in Ireland based on analysis of births registered in Ireland during 1890. Data is based on the "Special Report on Surnames in Ireland" by Sir Robert E. Matheson - published 1909.