Referendum Declaration – Donegal South West rejects treaty

Official result from Donegal South West.
 
Poll 41.92%
Yes/Tá 45.05%
No/Níl 54.95%
Electorate: 63,127
Total Poll: 26,465
Percentage Poll: 41.92%
Invalid Papers: 137
Valid Poll: 26,328
Votes in favour: 11,862
Votes against: 14,466