Byrne is an Irish surname and given name, derived from the Irish Gaelic Ó Branáin sept name. It means 'descendant of Branán,' a personal name thought to mean 'little raven.' The name Byrne was historically associated with County Donegal in Ireland but has since spread globally.
The name Byrne experienced fluctuations in popularity over the years, with peaks of 7 births in 1914 and 1931, and a notable gap between 1932 and 1947 when there were no reported births.