Here you will see the list of already taken Celebrities.
Female:
Rowena Ravenclaw- Kiera Knightly
Helga Hufflepuff-unknown
Morgan Le Fay-Nina Dobrev
vena jacobs-Anne Hathaway
Aurora Charon-drew barrymore
Elizabeth Beckwith- Brooke Williams
Male:
Godric Gryffindor-Eric Dill
Salazar Slytherin-Johnny Depp