Maria O'Brien		73 y.o.	rating 52/100
Edna O'Brien		93 y.o.	rating 21/100
Erin O'Brien		90 y.o.	rating 62/100
Joan O'Brien		88 y.o.	rating 54/100
Shauna O'Brien		53 y.o.	rating 94/100
Soledad O'Brien		57 y.o.	rating 83/100
Tina O'Brien		40 y.o.	rating 16/100
Virginia O'Brien		105 y.o.	rating 49/100
Niamh O'Byrne		48 y.o.	rating 5/100
Frances O'Connor	Nominated for Golden Globe.	56 y.o.	rating 65/100
Renée O'Connor		53 y.o.	rating 86/100
Sinéad O'Connor		57 y.o.	rating 43/100
Anita O'Day		104 y.o.	rating 57/100
Molly O'Day		112 y.o.	rating 78/100
Jennifer O'Dell		49 y.o.	rating 25/100
Nancy O'Dell		58 y.o.	rating 48/100
Cathy O'Donnell		100 y.o.	rating 97/100
Martha O'Driscoll		102 y.o.	rating 78/100
Gail O'Grady	Nominated for 3 Primetime Emmys.	61 y.o.	rating 41/100
Lani O'Grady		69 y.o.	rating 26/100
Susan Pratt		68 y.o.	rating 6/100
Joan O'Hara		93 y.o.	rating 58/100
Kelli O'Hara		48 y.o.	rating 64/100
Caitlin O'Heaney		70 y.o.	rating 80/100
Tricia O'Kelley		55 y.o.	rating 45/100
Kerry O'Malley		2023 y.o.	rating 34/100
Shelley Beattie		55 y.o.	rating 26/100
Kate O'Mara		84 y.o.	rating 95/100
Jo O'Meara		45 y.o.	rating 39/100
Barbara O'Neil	Nominated for Oscar.	113 y.o.	rating 11/100
Marina Sirtis		69 y.o.	rating 86/100
Dolores O'Riordan		52 y.o.	rating 50/100
Colleen O'Shaughnessey		52 y.o.	rating 13/100
Tessie O'Shea	Nominated for Primetime Emmy.	111 y.o.	rating 47/100
Dylan O'Sullivan Farrow		38 y.o.	rating 65/100
Arlene Dahl		95 y.o.	rating 2/100
Zoe Oakes		38 y.o.	rating 14/100
Sundra Oakley		49 y.o.	rating 23/100
Karisma Kapoor		49 y.o.	rating 2/100
Uschi Obermaier		77 y.o.	rating 94/100

Actress