This table can be sorted by clicking on any of the headings. Ticking boxes and clicking on the top of that column twice will allow a comparison of the ticked islands.
County
Group
Island
1841
1851
1901
1951
1996
2002
2006
Clare
Shannon and Fergus Estuaries
Inishmore
133
82
51
24
1
1
0
Clare
Shannon and Fergus Estuaries
Inishloe
114
93
43
14
0
0
0
Clare
Shannon and Fergus Estuaries
Inishmacowney
142
91
37
22
0
0
0
Clare
Shannon and Fergus Estuaries
Coney Island
145
129
44
23
0
0
0
Cork
Bantry Bay
Dursey
358
249
205
96
9
6
6
Cork
Bantry Bay
Whiddy
729
561
259
104
34
29
22
Cork
Bantry Bay
Bear Island
2122
1454
1059
534
212
207
187
Cork
East Cork
Inchydoney
235
136
37
0
102
134
193
Cork
Roaring Water Bay
Inishbeg
335
88
17
0
19
13
8
Cork
Roaring Water Bay
Ringarogy
597
393
166
97
76
88
88
Cork
Roaring Water Bay
Long Island
336
305
199
81
9
12
5
Cork
Roaring Water Bay
Cape Clear
1052
819
601
257
145
129
125
Cork
Roaring Water Bay
Sherkin
1131
696
350
146
98
129
106
Cork
Roaring Water Bay
Hare Island
358
288
317
139
16
27
24
Cork
Roaring Water Bay
Horse Island
137
116
42
20
0
3
2
Donegal
Gweedore
Inishbofin
121
122
150
120
24
16
36
Donegal
Gweedore
Tory
399
402
335
257
169
133
142
Donegal
NE Donegal
Inch Island
978
769
462
414
397
438
438
Donegal
The Rosses
Rutland
125
108
65
35
0
0
0
Donegal
The Rosses
Inishfree Upper
137
216
190
89
15
7
9
Donegal
The Rosses
Arranmore
1415
1160
1308
1249
602
543
522
Donegal
The Rosses
Cruit
258
252
245
151
70
61
53
Galway
Aran Islands
Inishmaan
472
503
421
361
191
187
154
Galway
Aran Islands
Inishere
456
518
483
338
274
262
247
Galway
Aran Islands
Inishmore
2592
2312
1959
1016
838
831
824
Galway
Gorumna Group
Lettermullen
587
383
533
320
204
219
213
Galway
Gorumna Group
Lettermore
844
661
747
843
503
497
528
Galway
Gorumna Group
Annaghvaan
125
152
136
76
104
121
140
Galway
Gorumna Group
Gorumna
1910
1064
1620
1440
1057
1015
1010
Galway
Gorumna Group
Inishbarra
205
91
134
75
1
0
0
Galway
Gorumna Group
Furnace
155
132
103
85
59
56
65
Galway
West Connemara
Turbot
146
169
129
89
0
0
0
Galway
West Connemara
Inishark
208
138
129
50
0
0
0
Galway
West Connemara
Inishbofin
1404
909
762
291
200
178
199
Galway
West Connemara
Mweenish
649
471
425
206
150
146
140
Galway
West Connemara
Omey
397
205
115
66
4
4
2
Galway
West Connemara
Inishnee
455
21
323
145
33
24
28
Galway
West Connemara
Inishlackan
126
125
132
27
0
0
0
Kerry
Blaskets
Great Blasket
153
97
145
27
0
0
2
Kerry
Valentia Group
Valentia
2290
2482
1864
1015
676
690
713
Mayo
Inishturk
577
174
168
123
83
72
58
Mayo
Clare Island
1615
845
457
278
136
127
136
Mayo
Achill Group
Achill
4901
4030
4825
4906
2718
2620
2620
Mayo
Achill Group
Achillbeg
178
149
104
54
0
0
0
Mayo
Clew Bay (selected)
Inishnakillew
126
115
41
11
6
5
3
Mayo
Clew Bay (selected)
Collan More
213
215
59
19
0
3
18
Mayo
Clew Bay (selected)
Inishlyre
113
122
47
14
7
7
7
Mayo
Mullet Peninsula
Inishkea South
155
172
130
0
0
0
0
Sligo
Coney
124
104
64
25
6
3
6
Source for Numbers: Alex Ritsema's book Discover the Islands of Ireland and the Census of Ireland
