[10] The club had struggled through the season, its matches including a 5–0 defeat at Wrexham,[11] but towards the end the side was "greatly improved", demonstrated by a 1–0 win over Llangollen on the Druids' Plasmadoc ground.

[12] The club also won through the first round in its second Welsh Cup entry, scoring an 84th-minute equalizer at Gwersyllt Foresters (having dominated the second half)[13] and winning easily at home in the replay, thanks to a T. Evans hat-trick.

However Llanerchrugog scratched when paired with Bangor in the second round,[14] and although the club finished out the 1878–79 season, Powys Jones even representing the North Wales FA in goal against the Lancashire FA in February 1879,[15] there is no further record of the club after the end of the season.

[16] The club wore blue jerseys and caps, white knickerbockers, and red stockings.

[17] The club played at the public Llanerchrugog Park,[18] 2½ miles from Ruabon railway station.