1 Murphy 62,600

2 Kelly 55,900

3 Sullivan 43,600

4 Walsh 41,700

5 Smith 33,700

6 O�Brien 33,400

7 Byrne 33,300

8 Ryan 32,000

9 Connor 31,200

10 O�Neill 29,100

11 Reilly 29,000

12 Doyle 23,000

13 McCarthy 22,300

14 Gallagher 21,800

15 Doherty 20,800

16 Kennedy 19,900

17 Lynch 19,800

18 Murray 19,600

19 Quinn 18,200

20 Moore 17,700

21 McLaughlin 17,500

22 Carroll 17,400

23 Connolly 17,000

24 Daly 17,000

25 Connell 16,600

26 Wilson 16,300

27 Dunne 16,300

28 Brennan 16,000

29 Burke 15,900

30 Collins 15,700

31 Campbell 15,600

32 Clarke 15,400

33 Johnston 15,200

34 Hughes 14,900

35 Farrell 14,700

36 Fitzgerald 14,700

37 Brown 14,600

38 Martin 14,600

39 Maguire 14,400

40 Nolan 14,300

41 Flynn 14,300

42 Thompson 14,200

43 Callaghan 14,000

surnames in Ireland in 1890

44 O�Donnell 13,900

45 Duffy 13,600

46 Mahoney 13,500

47 Boyle 13,000

48 Healy 13,000

49 Shea 13,000

50 White 13,000

51 Sweeney 12,500

52 Hayes 12,300

53 Kavanagh 12,200

54 Power 12,100

55 McGrath 11,900

56 Moran 11,800

57 Brady 11,600

58 Stewart 11,400

59 Casey 11,300

60 Foley 11,200

61 Fitzpatrick 11,100

62 Leary 11,000

63 McDonnell 11,000

64 McMahon 10,700

65 Donnelly 10,700

66 Regan 10,500

67 Donovan 9,900

68 Burns 9,800

69 Flanagan 9,800

70 Mullan 9,800

71 Barry 9,700

72 Kane 9,700

73 Robinson 9,700

74 Cunningham 9,600

75 Griffin 9,600

76 Kenny 9,600

77 Sheehan 9,600

78 Ward 9,500

79 Whelan 9,500

80 Lyons 9,400

81 Reid 9,200

82 Graham 9,100

83 Higgins 9,100

84 Cullen 9,000

85 Keane 9,000

86 King 9,000

87 Maher 9,000

88 McKenna 9,000

89 Bell 8,800

90 Scott 8,700

91 Hogan 8,600

92 Keeffe 8,600

93 Magee 8,600

94 McNamara 8,600

95 McDonald 8,500

96 McDermott 8,400

97 Moloney 8,300

98 Rourke 8,300

99 Buckley 8,200

100 Dwyer 8,100