All national cup competitions were suspended for the duration of the First World War.
Dumbarton's second successive season in the First Division saw an improved performance by finishing 13th out of 20, with 34 points, 31 behind champions Celtic.
During the season, a friendly, a benefit and a charity match were also played, drawing 2 and losing the other, scoring 6 goals and conceding 7.
Source:[92] In addition James Blyth, Jack Brown, James Chalk, Alexander Clarkson, John Davie, Alex Forsyth, Archibald Frew, Harry Gildea, Samuel Hendry, Thomas Lawrie, William Murray, John Plank, Andrew Potter, John Robertson and Walter Wilson all played their final 'first XI' games in Dumbarton colours.
Dumbarton scratched from the competition at the second round stage of the Scottish Second XI Cup.