The 1915 Dublin Harbour by-election was held on 1 October 1915. The by-election was held due to the death of the incumbent Irish Parliamentary Party MP, William Abraham. It was won by the Irish Parliamentary candidate Alfie Byrne.
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The 1915 Dublin Harbour by-election was held on 1 October 1915. The by-election was held due to the death of the incumbent Irish Parliamentary Party MP, William Abraham. It was won by the Irish Parliamentary candidate Alfie Byrne.




