Canisius’ Morgan Leonard had four goals with seven other Golden Griffs also scoring. Kayla Scully made seven saves on 13 shots.
Gennaro scored to tie the game with 26:55 remaining, before the Golden Griffs scored the next 10 goals to take an 11-1 lead at the half. Iona opened the second half on a 3-1 run, but still trailed 12-4.
Iona will return back to Mazzella Field on Wednesday to take on local rival Manhattan at 3 p.m.