Quinto, who is of half-Italian and half-Irish descent, was born in Pittsburgh and grew up in Green Tree, Pennsylvania, with his mother Margo and his brother Joe. His father, John, who was a barber, died of cancer when Quinto was 7 years old. He graduated from Central Catholic High School in 1995, where he participated in their musicals and won the Gene Kelly Award for Best Supporting Actor, and then attended Carnegie Mellon University's School of Drama, from which he graduated in 1999.
In a NY Magazine article in the October 17, 2011 edition, on-line now, Zachary Quinto stated that he is a gay man. Zachary commented that the recent stories of gay suicides and in particular Jamey Rodemeyer has compelled him to definitively come out. Zachary Quinto played Spock in the Star Trek movie and has played gay roles in Tori Spelling's "so noTORIous" and in the Broadway revival of "Angels in America".
Read more at http://www.homorazzi.com/article/zachary-quinto-gay-coming-out-nymag-interview-angels-in-america-american-horror-story-gay-roles/#more-119010.
Wikipedia Bio : http://en.wikipedia.org/wiki/Zachary_quinto
New York Magazine article: http://nymag.com/daily/entertainment/2011/10/zachary_quinto.html