| Dumbarton v Queens Park FC 23/10/1920 | View match | |
| Airdrieonians (Old) v Dumbarton 30/10/1920 | View match | |
| Dumbarton v Celtic (Glasgow) FC 06/11/1920 | View match | |
| Third Lanark v Dumbarton 13/11/1920 | View match | |
| Motherwell FC v Dumbarton 20/11/1920 | View match | |
| Dumbarton v Aberdeen FC 27/11/1920 | View match | |
| Dumbarton v Partick Thistle FC 04/12/1920 | View match | |
| St Mirren FC v Dumbarton 11/12/1920 | View match | |
| Dumbarton v Kilmarnock FC 18/12/1920 | View match | |
| Heart Of Midlothian (Hearts) v Dumbarton 25/12/1920 | View match | |
| Dumbarton v Ayr United FC 01/01/1921 | View match | |
| Clydebank FC (Old) v Dumbarton 05/01/1921 | View match |