In July 2015 the Football Association of Ireland (FAI) announced the formation of the club as an expansion team for the upcoming 2015–16 Women's National League season.

In July 2015 the Football Association of Ireland (FAI) announced the formation of the club as an expansion team for the upcoming 2015–16 Women's National League season.

[12] Kilkenny were drawn against UCD Waves in the semi-finals of the cup but slipped at the last hurdle and lost out on a trip to the Aviva Stadium.

They announced their intention to set up a pathway to the Women's National League for the Real FA Swans players.

The club's off-field operation also began to unravel, with reasons such as matches being played in another venue, and the lack of a youth system.

[16] The Football Association of Ireland (FAI) unexpectedly threw Kilkenny United out of the Women's National League ahead of the 2020 season.

[17] The reasons given included the club's failure to bond with their local women's leagues, changing their home ground, not training in Kilkenny, having an unqualified coach, failing to fulfil a fixture and having consistently poor results and feeble performances.