Senior Kobe McNair caught two touchdown passes and threw for one as Aquinas defeated C-NS 28-21.
The Li'l Irish return to the Class AA State Title game and face New Rochelle on Saturday at 3pm.
McNair took an end around and threw to quarterback Tyler Szalkowski to tie the game in the first quarter. They went back to tradition, Szalkwoski throwing and McNair catching for two other scores with Caron Robinson adding a second quarter touchdown run for Aquinas, who went 11-0 against New York State opponents this season.
Aquinas last won a State title in 2015.