Lachance was born in Charlottesville, Virginia and raised in Bristol, Connecticut,[1] where he attended St. Paul Catholic High School.

[citation needed] Lachance was selected 4th overall by the New York Islanders in the 1991 NHL Entry Draft.

[citation needed] He played 819 career NHL games, scoring 31 goals and 112 assists for 143 points.

[citation needed] He played in 1997 National Hockey League All-Star Game.

His wife, Jaqueline, is the daughter of former Boston University hockey coach Jack Parker.