Sophomore guard Kori Wiedt (North Olmsted/North Olmsted) scored 11 of her game-high 16 points in a first half that saw Mount Union run out to a 22-8 lead to start the game.
That lead was 31-12 when sophomore Amanda Rose (Uniontown/Green) hit a jumper with 3:33 to play in the half and the Raiders would take a 35-18 lead at the break as they held the Falcons to 6-of-26 (23-percent) shooting in the half.
Mount Union got off to another quick start in the second half with a 16-7 burst and stretched the lead to 26 points, 51-25, when junior Nicole Plant (Columbus/Upper Arlington) nailed a three-pointer at the 16:30 mark.
The Raiders led 70-53 when Notre Dame railled with a 21-9 run to close the gap to 79-74 with 37 seconds to play before Mount Union hit four of six free throws to end the game.
Along with Wiedt, freshman Rosa LaMattina (Westlake/Westlake) had 13 points, Rose tallied 11, while senior Tessa Pohovey (Strasburg/Tusky Valley) and junior Lauren Forquer (North Canton/Green) each had 10 points to lead Mount Union to a 2-0 start to the season.
Tracy Payne had 14 off the bench for Notre Dame that took its first loss of the season and fell to 1-1.
Mount Union next plays Wooster in the tournament championship game tomorrow at 3 pm.