[2][3] On 18 November 2012 Castlebar Celtic's manager, Jeremy Dee, died in a car crash while travelling to a league match against Shamrock Rovers.

Dee was described as "the real driving force behind our women's team" by club secretary Michael O'Dwyer.

[10] Castlebar Celtic had planned to enter a team in the 2015 Mayo Women's Football League season but withdrew due to a lack of players.

In October 2015 Castlebar Celtic failed to field a team for a WNL Shield game against Shelbourne Ladies.

[15] On 20 February 2016 they suffered a third heavy loss after losing 12–1 to Shelbourne Ladies in the WNL Cup[16] Before the season was finished they also withdrew from the Women's National League, again because they were unable to field a team.