The Supplementary Cup for B Division teams continued, but Dumbarton fell at the first hurdle to Alloa.

Following the success of the format of the Southern League Cup played during wartime conditions, the inaugural League Cup was played but Dumbarton failed to progress from their section, finishing 3rd of 4 with just 2 wins from 6 games.

The return of the Scottish Cup brought much cheer, and after dispatching A Division opponents St Mirren and Third Lanark, Dumbarton lost out narrowly to Hibernian in the fourth round.

Source:[90] In addition James Brown, John Getty, Thomas Jess, Gordon McFarlane, Victor McAloney, Bernard McDonald, William Neil, Bobby Ross and Robert Torrance would all have played their last 1st team game for Dumbarton before the end of the season.

Dumbarton entered the Scottish Second XI Cup but lost in the first round to Albion Rovers.