From: A review of official data obtained from dog control records generated by the dog control service of county cork, Ireland during 2007
Breed
No. licensed
% of total licensed
Collie
7730
24
Terrier
4665
14.5
Labrador
3405
10.6
Jack Russell Terrier
2587
8
Cocker/Springer Spaniel
2222
7
Crossbreed
2068
6.4