[6] The club's biggest competitive Cup win came in the first round of the 1890–91 Scottish Cup, with a 13–0 win away at Greenock Abstainers;[7] however the club lost in a second round replay to Uddingston, the half-time period being enlivened by spectators chasing and killing a hare which had darted onto the empty pitch.

[8] The results mirrored the club's performance in the Ayrshire Cup, as it never won more than one tie in any season in the local competition either.

With the rise of league football, the Scottish FA introduced a qualifying stage, and Newmilns did not win through to the first round again.

[11] The club however had an influence beyond its on-field achievements; the football division of the Örgryte sports club was set up by lacemakers from Newmilns in 1891 and members played in the first football match in Sweden the following year.

[12] The club's colours were blue and white hooped jerseys and black knickers.