Wellington co-owned the Giants football team from 1959 until his death in 2005, and was succeeded by her uncle, John Mara, who is currently President, CEO, and co-owner of the team.Her maternal grandfather, Timothy James "Tim" Rooney, has run Yonkers Raceway in Yonkers, New York since 1972.Mara graduated from Fox Lane High School a year early and was accepted into the Tisch School of the Arts at New York University to study musical theater, but she eventually deferred her slot to work as an actress.Mara's first television role was in the NBC legal drama Law & Order in 1997.Her granduncle, Dan Rooney, chairman of the Steelers, was a former United States Ambassador to Ireland and the co-founder of the charitable organization The Ireland Funds.Her first cousin, once removed, Art Rooney II, is the current President and co-owner of the Steelers.Any time that line is crossed, an innocent life is destroyed and a monster is created. Lately I've been writing and releasing exclusively over on Reddit's /r/ageplaystories.
Mara joined the cast of the HBO comedy-drama Entourage for the series' sixth season in 2009.
She appeared in Brokeback Mountain (2005), We Are Marshall (2006), Shooter (2007), Transsiberian (2008), Stone of Destiny (2008), The Open Road (2009), Transcendence (2014), The Martian (2015), Morgan (2016), and Megan Leavey (2017).
She also appeared in the FX horror miniseries American Horror Story: Murder House (2011) as Hayden Mc Claine and the superhero film Fantastic Four (2015) as Susan "Sue" Storm / The Invisible Woman.
She is the second of four siblings, with one older brother, Daniel; one younger sister, Patricia (known professionally as Rooney Mara, also an actress); and one younger brother, Conor.
Mara's father has Irish, German, and French Canadian ancestry, and her mother is of Irish and Italian descent.