Marissa Cooper

Marissa Cooper
The O.C. character
First appearance"Premiere"
(episode 1.01)
Last appearance"The Graduates"
(episode 3.25)
Created byJosh Schwartz
Portrayed byMischa Barton
In-universe information
NicknameCoop (by Summer)
Mariss (by mother)
Kiddo (by father)
OccupationHigh school student
(at the Harbor School; graduated)
FamilyJames "Jimmy" Cooper
(father)
Julie Cooper
(mother)
Caleb Nichol
(stepfather; deceased)
Kaitlin Cooper
(younger sister)
Cooper Atwood
(maternal half-brother)
Significant otherLuke Ward
(ex-boyfriend)
Ryan Atwood
(ex-boyfriend)
D.J.
(ex-boyfriend)
Alex Kelly
(ex-girlfriend)
Kevin Volchok
(ex-boyfriend)
RelativesCindy (maternal aunt)
ResidenceNewport Beach, California

Marissa Cooper is a fictional character on the FOX television series The O.C., portrayed by Mischa Barton. Marissa was among the original "core four" characters on The O.C. She is a privileged California native born into a wealthy family, residing next to the Cohen family's house. Throughout The O.C.'s storyline, Marissa is introduced to new characters who influence her perspective on life and her personality.