Cornelius O'Callaghan, 1st Viscount Lismore

politician (1775-1857) (1775–1857)

Parents

• Cornelius O'Callaghan, 1st Baron Lismore
• Frances Ponsonby

Children

• Cornelius O'Callaghan
• William Frederick O'Callaghan
• Lady Anne Maria Louisa O'Callaghan
• George O'Callaghan, 2nd Viscount Lismore

Siblings

• Mary O'Callaghan
• Elizabeth O'Callaghan
• George O'Callaghan
• Robert O'Callaghan
• Louisa Cavendish

Partners

• Lady Eleanor Butler