Alexandra joined the Mold, Deeside and Buckley League for the 1930–31 season, playing its first competitive fixture on 30 August 1930, defeating Oakenholt St David's 5–3.
The club went on to win the North Wales Junior Cup in its first season and the Flintshire Amateur League in its second.
Alexandra was temporarily suspended from the league after failing to meet ground regulation requirements but the club was able to rectify the problems and were reinstated,[3] finishing the season in 13th position.
Alexandra won promotion to the Premier Division of the regional league in its first season and returned to the Cymru Alliance in 2002.
[3] The club spent the following 15 years moving between the Cymru Alliance and the Premier Division of the Wrexham Area League.