Margaret O'Neill

(died 1655) (1580–1655)

Parents

• Catherine O'Neill, Countess of Tyrone
• Hugh O'Neill, Earl of Tyrone
• Siobhan O'Donnell

Children

• Elizabeth Butler
• Ellice Butler
• Joan Butler
• Edward Butler
• Richard Butler
• Ellen Butler
• Margaret Butler
• Edmund Butler, 4th Viscount Mountgarret

Siblings

• Brian O'Neill
• Sarah O'Neill
• Henry O'Neill
• Shane O'Neill
• Conn O'Neill
• Ellis MacDonnell, Countess of Antrim
• unknown daughter O'Neill
• Hugh O'Neill, 4th Baron of Dungannon
• Catherine O'Neil

Partners

• Richard Butler, 3rd Viscount Mountgarret