| RETURN TO LEAGUE LISTING | |||||||||||
| Year | Division | Home | Away | Date | Win | Draw | Loss | Gills Gls | Away Gls | ||
| 1949/50 | Southern League | Gillingham | 6-1 | Colchester United | 1 | 0 | 0 | 6 | 1 | ||
| Southern League | Colchester United | 2-1 | Gillingham | 0 | 0 | 1 | 1 | 2 | |||
| 1948/49 | Southern League | Gillingham | 1-1 | Colchester United | 0 | 1 | 0 | 1 | 1 | ||
| Southern League | Colchester United | 2-3 | Gillingham | 1 | 0 | 0 | 3 | 2 | |||
| 1947/48 | Southern League | Gillingham | 2-2 | Colchester United | 0 | 1 | 0 | 2 | 2 | ||
| Southern League | Colchester United | 3-0 | Gillingham | 0 | 0 | 1 | 0 | 3 | |||
| 1946/47 | Southern League | Gillingham | 4-2 | Colchester United | 1 | 0 | 0 | 4 | 2 | ||
| Southern League | Colchester United | 0-1 | Gillingham | 1 | 0 | 0 | 1 | 0 | |||
| 1938/39 | Southern League | Gillingham | 1-3 | Colchester United | 0 | 0 | 1 | 1 | 3 | ||
| Southern League | Colchester United | 2-0 | Gillingham | 0 | 0 | 1 | 0 | 2 | |||