Maria O'Brien		75 y.o.	rating 5/100
Edna O'Brien		95 y.o.	rating 44/100
Erin O'Brien		92 y.o.	rating 81/100
Joan O'Brien		90 y.o.	rating 10/100
Shauna O'Brien		55 y.o.	rating 97/100
Soledad O'Brien		59 y.o.	rating 27/100
Tina O'Brien		42 y.o.	rating 73/100
Virginia O'Brien		107 y.o.	rating 23/100
Niamh O'Byrne		50 y.o.	rating 45/100
Frances O'Connor	Nominated for Golden Globe.	58 y.o.	rating 36/100
Renée O'Connor		55 y.o.	rating 14/100
Sinéad O'Connor		59 y.o.	rating 74/100
Anita O'Day		106 y.o.	rating 60/100
Molly O'Day		114 y.o.	rating 93/100
Jennifer O'Dell		51 y.o.	rating 13/100
Nancy O'Dell		60 y.o.	rating 33/100
Cathy O'Donnell		102 y.o.	rating 95/100
Martha O'Driscoll		104 y.o.	rating 42/100
Gail O'Grady	Nominated for 3 Primetime Emmys.	63 y.o.	rating 33/100
Lani O'Grady		71 y.o.	rating 9/100
Susan Pratt		70 y.o.	rating 78/100
Joan O'Hara		95 y.o.	rating 20/100
Kelli O'Hara		50 y.o.	rating 27/100
Caitlin O'Heaney		72 y.o.	rating 8/100
Tricia O'Kelley		57 y.o.	rating 35/100
Kerry O'Malley		2025 y.o.	rating 4/100
Shelley Beattie		57 y.o.	rating 45/100
Kate O'Mara		86 y.o.	rating 57/100
Jo O'Meara		47 y.o.	rating 27/100
Barbara O'Neil	Nominated for Oscar.	115 y.o.	rating 44/100
Marina Sirtis		71 y.o.	rating 55/100
Dolores O'Riordan		54 y.o.	rating 14/100
Colleen O'Shaughnessey		54 y.o.	rating 38/100
Tessie O'Shea	Nominated for Primetime Emmy.	113 y.o.	rating 40/100
Dylan O'Sullivan Farrow		40 y.o.	rating 32/100
Arlene Dahl		97 y.o.	rating 33/100
Zoe Oakes		40 y.o.	rating 75/100
Sundra Oakley		51 y.o.	rating 15/100
Karisma Kapoor		51 y.o.	rating 84/100
Uschi Obermaier		79 y.o.	rating 30/100

Actress