Catherine O'Callaghan Peerage person ID=27647 (d. 1854) Parents Edmond O'Callaghan Ellen O'Brien Children Valentine Browne, 4th Earl of Kenmare Lady Mary Browne Lady Ellen Maria Browne Siblings Elizabeth O'Callaghan Ellen O'Callaghan Brigid O'Callaghan Marcella O'Callaghan Partners Thomas Browne, 3rd Earl of Kenmare