McParland becomes the seventh member of the senior class to sign a professional deal this week.
The senior winger was the 50th Friar to reach the 100-point milestone for his career.
Leaman named a Spencer Penrose Award finalist for the fourth time in his career.
Both senior forwards inked NHL entry level contracts on Wednesday (March 30).
Rooney finished his collegiate career appearing in 117 consecutive games for the Friars.
Mingoia finished second on the team in scoring with 14 goals and 23 assists this season.
The senior defenseman skated with the Canadiens in last summer’s development camp.
The Friars conclude the season with the second-most wins in team history with 27.