Connaughton shot 5-for-8 on 3s to lead the Irish (15-8, 7-3 Big East) to their fourth straight win. Notre Dame has defeated five ranked opponents this season.
The loss snapped a seven-game conference winning streak for Marquette (19-5, 8-3). Darius Johnson-Odom scored 10 points for the Golden Eagles in the first half, but was held to just two points the rest of the game.
Vander Blue chipped in 12 points and seven rebounds for Marquette. The Eagles shot just 2 of 13 from 3-point range.