| RETURN TO LEAGUE LISTING | |||||||||||
| Year | Division | Home | Away | Date | Win | Draw | Loss | Gills Gls | Away Gls | ||
| 2002/2003 | English Division 1 | Gillingham | 3-0 | Grimsby Town | 15/02/2003 | 1 | 0 | 0 | 3 | 0 | |
| English Division 1 | Grimsby Town | 1-1 | Gillingham | 02/11/2002 | 0 | 1 | 0 | 1 | 1 | ||
| 2001/2002 | English Division 1 | Gillingham | 2-1 | Grimsby Town | 05/03/2002 | 1 | 0 | 0 | 2 | 1 | |
| English Division 1 | Grimsby Town | 1-2 | Gillingham | 25/09/2001 | 1 | 0 | 0 | 2 | 1 | ||
| 2000/2001 | English Division 1 | Gillingham | 1-0 | Grimsby Town | 10/02/2001 | 1 | 0 | 0 | 1 | 0 | |
| English Division 1 | Grimsby Town | 1-0 | Gillingham | 09/09/2000 | 0 | 0 | 1 | 0 | 1 | ||
| 1997/1998 | English Division 2 | Grimsby Town | 0-0 | Gillingham | 04/04/1998 | 0 | 1 | 0 | 0 | 0 | |
| English Division 2 | Gillingham | 0-2 | Grimsby Town | 29/11/1997 | 0 | 0 | 1 | 0 | 2 | ||
| 1989/1990 | English Division 4 | Gillingham | 1-2 | Grimsby Town | 24/03/1990 | 0 | 0 | 1 | 1 | 2 | |
| English Division 4 | Grimsby Town | 2-0 | Gillingham | 17/10/1989 | 0 | 0 | 1 | 0 | 2 | ||
| 1987/1988 | English Division 3 (old) | Gillingham | 1-1 | Grimsby Town | 02/02/1988 | 0 | 1 | 0 | 1 | 1 | |
| English Division 3 (old) | Grimsby Town | 2-0 | Gillingham | 22/08/1987 | 0 | 0 | 1 | 0 | 2 | ||
| 1979/1980 | English Division 3 (old) | Grimsby Town | 1-0 | Gillingham | 01/03/1980 | 0 | 0 | 1 | 0 | 1 | |
| English Division 3 (old) | Gillingham | 0-1 | Grimsby Town | 20/10/1979 | 0 | 0 | 1 | 0 | 1 | ||
| 1976/1977 | English Division 3 (old) | Grimsby Town | 1-1 | Gillingham | 11/04/1977 | 0 | 1 | 0 | 1 | 1 | |
| English Division 3 (old) | Gillingham | 1-1 | Grimsby Town | 02/11/1976 | 0 | 1 | 0 | 1 | 1 | ||
| 1975/1976 | English Division 3 (old) | Grimsby Town | 2-1 | Gillingham | 24/04/1976 | 0 | 0 | 1 | 1 | 2 | |
| English Division 3 (old) | Gillingham | 3-0 | Grimsby Town | 23/08/1975 | 1 | 0 | 0 | 3 | 0 | ||
| 1974/1975 | English Division 3 (old) | Gillingham | 2-0 | Grimsby Town | 26/04/1975 | 1 | 0 | 0 | 2 | 0 | |
| English Division 3 (old) | Grimsby Town | 2-1 | Gillingham | 19/10/1974 | 0 | 0 | 1 | 1 | 2 | ||
| 1971/1972 | English Division 4 | Gillingham | 0-1 | Grimsby Town | 11/03/1972 | 0 | 0 | 1 | 0 | 1 | |
| English Division 4 | Grimsby Town | 2-1 | Gillingham | 09/10/1971 | 0 | 0 | 1 | 1 | 2 | ||
| 1967/1968 | English Division 3 (old) | Grimsby Town | 1-1 | Gillingham | 13/03/1968 | 0 | 1 | 0 | 1 | 1 | |
| English Division 3 (old) | Gillingham | 1-0 | Grimsby Town | 09/09/1967 | 1 | 0 | 0 | 1 | 0 | ||
| 1966/1967 | English Division 3 (old) | Grimsby Town | 4-0 | Gillingham | 06/05/1967 | 0 | 0 | 1 | 0 | 4 | |
| English Division 3 (old) | Gillingham | 2-0 | Grimsby Town | 10/12/1966 | 1 | 0 | 0 | 2 | 0 | ||
| 1965/1966 | English Division 3 (old) | Gillingham | 3-2 | Grimsby Town | 05/03/1966 | 1 | 0 | 0 | 3 | 2 | |
| English Division 3 (old) | Grimsby Town | 3-1 | Gillingham | 23/10/1965 | 0 | 0 | 1 | 1 | 3 | ||
| 1964/1965 | English Division 3 (old) | Grimsby Town | 1-1 | Gillingham | 20/03/1965 | 0 | 1 | 0 | 1 | 1 | |
| English Division 3 (old) | Gillingham | 0-0 | Grimsby Town | 07/11/1964 | 0 | 1 | 0 | 0 | 0 | ||
| 1920/1921 | English Division 3 (old) | Gillingham | 2-1 | Grimsby Town | 02/04/1921 | 1 | 0 | 0 | 2 | 1 | |
| English Division 3 (old) | Grimsby Town | 2-0 | Gillingham | 26/03/1921 | 0 | 0 | 1 | 0 | 2 | ||
| Year | Competition | Home | Away | Date | Win | Draw | Loss | Gills Gls | Away Gls | ||
| 1971/1972 | League Cup 3rd Rd | Gillingham | 1-1 | Grimsby Town | 06/10/1971 | 0 | 1 | 0 | 1 | 1 | |
| League Cup 3rd Rd Replay | Grimsby Town | 1-0 | Gillingham | 12/10/1971 | 0 | 0 | 1 | 0 | 1 | ||
| League | W | D | L | GF | GA | ||||||
| Home | 9 | 3 | 4 | 22 | 12 | ||||||
| Away | 1 | 5 | 10 | 10 | 26 | ||||||