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