She returns, both as a hallucination and at the funeral, in the series finale Everybody Dies. About five years prior to the series, she was Gregory House 's girlfriend. They broke up after House had the infarction in his leg. She is currently married to high-school guidance counselor and porphyria patient Mark Warner. She is portrayed by actress Sela Ward. Very little is known of Stacy's life. She is a graduate of Duke University.
She and her husband reside in Short Hills, New Jersey in the north-eastern part of the state. About ten years prior to the start of the series, Stacy met House at a paintball tournament between lawyers and doctors when she successfully shot House and put him out of the game. At the time, she was working as a constitutional lawyer.
She told Cameron her first date with House was a disaster, and she never intended to see him again. However, a week later, she moved in with him. Stacy with House and Cuddy in Three Stories. Stacy was House's girlfriend when he was diagnosed with the infarction in his leg. House had decided to undergo a very risky procedure which required that he be put into a coma.
However, when he was in the coma, Stacy used her power as medical proxy to decide to remove the dead muscle tissue instead. Although this procedure probably saved House's life, it left him with chronic pain that he would suffer for the rest of his life and permanent weakness in his right leg, causing him to develop a limp which necessitates the use of a cane for any movement greater than a few steps. House's relationship with Stacy continued afterwards, and House admits she was very supportive about his disability.
House though remained bitter about Stacy's overruling his medical judgment, frequently confronting her on it. This put too much strain on the relationship and Stacy eventually left. Sometime after leaving House, Stacy met Mark, a guidance counselor, at a charity event. They had to skip their honeymoon because Stacy had to work. Stacy started to notice Mark was changing, acting very stressed out and having terrible mood swings.
