The midlanders conceded five goals in the loss.
Athlone Town suffered defeat to the league leaders in the Women's Premier Division over the weekend.
Peamount United now lead the standings by 3 points thanks to their 5-3 win over the midlanders on Saturday.
The result could have been much worse after Tommy Hewitt's side saw a 1-1 score line change to 5-1 by the 75th minute.
Late goals from Hazel Donegan and Kellie Brennan put some respectability back on the final score line.
Town now sit 7th in the table facing in to the League of Ireland's summer break.