Lady Mary Leeson

Parents

• Cecilia Leigh
• Joseph Leeson, 1st Earl of Milltown

Children

Siblings

• Joseph Leeson, 2nd Earl of Milltown
• Brice Leeson, 3rd Earl of Milltown
• Lady Anne Leeson
• Robert Leeson
• Cecilia Leeson
• Frances Arabella Leeson
• William Leeson

Partners

• John Bourke, 2nd Earl of Mayo