| Regular Season | Monday, 26/03/1951 | Cumberland - St George | 2:1 | ||||||
| Regular Season | Saturday, 31/03/1951 | Concord - Cumberland | 2:3 | ||||||
| Regular Season | Saturday, 07/04/1951 | Pyrmont Balmain - Cumberland | 1:4 | ||||||
| Regular Season | Sunday, 15/04/1951 | Cumberland - North Shore | 2:4 | ||||||
| Regular Season | Saturday, 21/04/1951 | Guildford - Cumberland | 3:3 | ||||||
| Regular Season | Saturday, 28/04/1951 | Cumberland - St Peters | 4:0 | ||||||
| Regular Season | Saturday, 05/05/1951 | Balgownie Rangers - Cumberland | 1:2 | ||||||
| Regular Season | Saturday, 12/05/1951 | Cumberland - Gladesville Ryde | 5:0 | ||||||
| Regular Season | Sunday, 20/05/1951 | Cumberland - NSW Police | 3:2 | ||||||
| Regular Season | Sunday, 27/05/1951 | St George - Cumberland | 1:6 | ||||||
| Regular Season | Saturday, 02/06/1951 | Cumberland - Concord | 3:0 | ||||||
| Regular Season | Saturday, 09/06/1951 | Cumberland - Pyrmont Balmain | 6:0 | ||||||
| Regular Season | Saturday, 16/06/1951 | North Shore - Cumberland | 1:6 | ||||||
| Regular Season | Saturday, 23/06/1951 | Cumberland - Guildford | 1:1 | ||||||
| Regular Season | Saturday, 07/07/1951 | Cumberland - Balgownie Rangers | 1:3 | ||||||
| Regular Season | Saturday, 14/07/1951 | Gladesville Ryde - Cumberland | 2:3 | ||||||
| Regular Season | Saturday, 21/07/1951 | St Peters - Cumberland | 1:6 | ||||||
| 2 | Finals Series | Sunday, 12/08/1951 | Balgownie Rangers - Cumberland | 1:3 | |||||
| 3 | Finals Series | Sunday, 02/09/1951 | Cumberland - North Shore | 2:1 | |||||
| Regular Season | NSW Police - Cumberland | 7:3 |