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| Kirsten Cohen | |
|---|---|
| The O.C. character | |
 Kelly Rowan as Kirsten Cohen | |
| First appearance | "Premiere" (episode 1.01) |
| Last appearance | "The End's Not Near, It's Here" (episode 4.16) |
| Created by | Josh Schwartz |
| Portrayed by | Kelly Rowan Ellen Hollman (flashbacks) |
| In-universe information | |
| Alias | Kirsten Nichol (maiden name) |
| Nickname | Kiki (by father and Julie) Kiks (by sister) |
| Gender | Female |
| Title | Partner, NewMatch Former: CFO of the Newport Group CEO of the Newport Group |
| Occupation | Architect businesswoman |
| Family | Caleb Nichol (father; deceased) Rose Nichol (mother; deceased) Julie Cooper (stepmother) Hailey Nichol (younger sister) Lindsay Gardner (paternal half-sister) Marissa Cooper (stepsister, via Caleb; deceased) Kaitlin Cooper (stepsister, via Caleb) |
| Spouse | Sanford "Sandy" Cohen (husband; 3 children [1 adopted]) |
| Significant other | James "Jimmy" Cooper (ex-boyfriend [before pilot]) Carter Buckley (crush) |
| Children | Seth Cohen (son, with Sandy) Ryan Atwood (adoptive son, with Sandy) Sophie Rose Cohen (daughter, with Sandy) |
| Relatives | Sophie Cohen (mother-in-law) Summer Roberts (daughter-in-law, via Seth) |
| Religion | Christianity (Presbyterianism)[1] |
| Residence | Berkeley, California Formerly: Newport Beach, California |
Kirsten Cohen (maiden name Nichol) is a fictional character on the FOX television series The O.C., portrayed by Kelly Rowan. Kirsten is the wife of Sandy Cohen, mother to Seth Cohen, and the adoptive mother of Ryan Atwood. Originally portrayed as being unwelcoming towards Ryan in the Cohen household, she began to develop feelings for the brooding teenager, going on to accept him as a central member of her family.
- ^ "The Second Chance". The O.C.. Season 2. Episode 11. February 3, 2005. Fox.