Born in Altoona, Pennsylvania raised in Wappingers Falls, New York, Magarity graduated from Our Lady of Lourdes High School in Poughkeepsie in 1999.

[2] At Our Lady of Lourdes, Magarity averaged 18 points and 10 rebounds in her senior basketball season and was a USA Today Honorable Mention All-American.

[3] Magarity played in the 1999–2000 season at Boston College before transferring to Marist, close to her native Poughkeepsie home, and where her father Dave served as the men's basketball coach for the Red Foxes.

[10] After a 9–20 season her first year, Magarity guided the Wildcats to a 16–14 record and 4th place finish in the America East and the school's second-ever postseason appearance in the 2012 WBI.

[16] Dave and Maureen are the first father-daughter pair to have coached against one another in NCAA Division I basketball history, with the first matchup between them being Holy Cross' visit to Army on January 9, 2021.