Mary O'Neill

(died 1590) (1515–1590)

Parents

• unknown daughter O'Byrne
• Conn O'Neill, 1st Earl of Tyrone

Children

• Ann Mac Donnell
• Alexander Mac Donnell
• unknown daughter Mac Donnell
• Sir James Mac Sorley Mac Donnell
• Engas Mac Donnell
• Randal MacDonnell, 1st Earl of Antrim

Siblings

• Phelim Caoch Ó Neill
• Shane O'Neill
• Conn O'Neill
• Henry 'Og' O'Neill
• Matthew O'Neill, 1st Baron Dungannon

Partners

• Sorley Boy MacDonnell