Tim McCulley passed for 128 yards and Taylor's score plus McCulley rushed for a touchdown as well.
Josh Johnson and Andrew Mullen each had interceptions for the Lil' Irish defense.
Aksel Jensen scored Dundee's lone TD.
The Class D championship will be next Saturday at Sahlen's Stadium. Batavia ND kicks off against (2)Clyde-Savannah at 7:30pm.