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