When William Blayney was born about 1888, in County Antrim, Ireland, his father, Hugh Henry Blayney, was 33 and his mother, Rose O’Hara, was 35. He married Rose Ann Gillespie about 1911, in County Antrim, Ireland. They were the parents of at least 4 sons and 8 daughters. He lived in Ballymena, Ballymena, County Antrim, Ireland in 1911. He died on 18 October 1971, in Ballymena, County Antrim, Northern Ireland, United Kingdom, at the age of 84.
Irish and Welsh (Montgomeryshire): variant of Blaney .