James O'Brien

Irish politician (1695–1771)

Parents

• Mary Villiers
• William O'Brien, 3rd Earl of Inchiquin

Children

• Edward Dominic O'Brien
• Henrietta O'Brien
• Anne O'Brien
• Murrough O'Brien, 1st Marquess of Thomond

Siblings

• Lady Henrietta O'Brien
• Charles O'Brien
• Lady Mary O'Brien
• William O'Brien, 4th Earl of Inchiquin

Partners

• Mary Jephson