Cornelius O'Callaghan, 1st Baron Lismore

Irish politician (1741–1797)

Parents

• Sarah Davis
• Thomas O'Callaghan

Children

• Robert O'Callaghan
• George O'Callaghan
• Mary O'Callaghan
• Cornelius O'Callaghan, 1st Viscount Lismore
• Elizabeth O'Callaghan
• Louisa Cavendish

Siblings

• Elizabeth O'Callaghan

Partners

• Frances Ponsonby