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