Byrne

Byrne is an Irish surname and less commonly a given name. It is derived from the Gaelic Ó Broin or Ó Beirn, which are also linked to the surname O'Byrne.

There are two Irish surnames which have Byrne as their English spelling; the most common comes from Ó Broin, which refers to the Leinster-based family of Bran as described below. The less common family name is Ó Beirn or Ó Beirne, which comes from a different family and is most commonly found in the Northwest of Ireland.