The Cup holders Wexford Youths were eliminated at the semi-final stage.
Gerry McAnaney conducted proceedings, assisted by Paula Gorham.
Non-league clubs Douglas Hall, Whitehall Rangers, Bonagee United and Finglas United joined the eight remaining Women's National League (WNL) clubs.
Sligo Rovers' received a walkover in their first ever Cup tie, when scheduled opponents Douglas Hall, from Cork, failed to fulfil the fixture.
[2] Kate Mooney's goal after 32 seconds in DLR Waves' 5–0 win over Treaty United was thought to be the quickest in competition history.