O'Byrne (Irish: Ó Broin) is an Irish surname. The O'Byrne family were descendants of Bran mac Máelmórda, King of Leinster.
People with the surname
References
O'Byrne (surname) Wikipedia(Text) CC BY-SA
O'Byrne (Irish: Ó Broin) is an Irish surname. The O'Byrne family were descendants of Bran mac Máelmórda, King of Leinster.