Catherine O'Brien (died 1773) (1726–1773) Parents Mary Hickman Sir Edward O'Brien, 2nd Baronet Children Henrietta Anne MacDonnell Randal MacDonnell Edward MacDonnell Charles Macdonnell Mary MacDonnell Eliza McDonnell Siblings Sir Lucius O'Brien, 3rd Baronet Edward O'Brien Lucy O'Brien Anne O'Brien Donough O'Brien Partners Charles McDonnell