Gráinne O'Malley, also known as Grace O'Malley, was the head of the Ó Máille dynasty in the west of Ireland, and the daughter of Eóghan Dubhdara Ó Máille.

Tibbot na Long Bourke, 1st Viscount Mayo was an Irish peer and parliamentarian. A prominent member of the MacWilliam Burkes of County Mayo, Tibbot was a Member of the Irish House of Commons and was later created the first Viscount Mayo. His successful life followed, and usefully illustrates, the difficult transition for Irish aristocrats from the traditional Gaelic world during the Tudor conquest of Ireland.