Pat O'Leary
Pat O'Leary
Title: Defensive Line Coach
Phone: 508-793-2584
Previous College: New York Tech, 1976
Experience: Fifth Season

Pat O’Leary is in his fifth year on Tom Gilmore’s coaching staff in 2009, serving as the Crusaders’ defensive line coach. O’Leary came to Holy Cross from Dartmouth College, where he had been a member of the coaching staff since 1989. He previously worked with Gilmore at both Columbia (1987-1988) and Dartmouth (1992-1999).

O’Leary coached both the defensive line and the linebackers at Dartmouth, and also served as assistant head coach from 2000-2002. He helped lead the Big Green to four Ivy League titles during his 16 seasons, including a perfect 10-0 record in 1996. O’Leary also helped Dartmouth to a 22-game unbeaten streak from 1995-1997, which still ranks as the third-longest unbeaten streak in Division I-AA history. In addition, O’Leary coached a team of Ivy League All-Stars at the 1996 Epsom Ivy Bowl in Osaka, Japan.

The O'Leary Family


Prior to his time at Dartmouth, O’Leary served as the defensive coordinator at Columbia in 1988. He was also the linebackers coach for the Lions from 1986-1987, while serving as the defensive coordinator and secondary coach for Columbia’s freshman team in 1985. O’Leary’s coaching career began at Monsignor Farrell High School in New York, N.Y.

O’Leary, who is a 1976 graduate of the New York Institute of Technology, played collegiate ball at Missouri Valley College before joining the United States Army. After serving with the 101st Airborne in Vietnam, he joined the New York Police Department from 1970-1979.

A native of Staten Island, N.Y., O’Leary and his wife, Debbie, have six children and seven grandchildren.

O'Leary's Collegiate Coaching File
Years      School        Position
1985       Columbia      Freshman Defensive Coordinator
1986-1987  Columbia      Linebackers Coach
1988       Columbia      Defensive Coordinator
1989-1990  Dartmouth     Outside Linebackers Coach
1991-1999  Dartmouth     Defensive Line Coach
2000-2002  Dartmouth     Assistant Head Coach / Linebackers Coach
2003-2004  Dartmouth     Defensive Line Coach
2005-2009  Holy Cross    Defensive Line Coach