Sports Telegraph | Football | Grimsby Town | Mariners league history
Town's Complete League history
| Season | Tier | League | Pos | Pld | W | D | L | Pts | |
| 2006/2007 | 4 | Coca-Cola League Two | 15th | 46 | 17 | 8 | 21 | 59 | |
| 2005/2006 | 4 | Coca Cola League Two | 4th | 46 | 22 | 12 | 12 | 78 | |
| 2004/2005 | 4 | Coca-Cola League Two | 18th | 46 | 14 | 16 | 16 | 58 | |
| 2003/2004 | 3 | Nationwide League Division Two | 21st | 46 | 13 | 11 | 22 | 50 | |
| 2002/2003 | 2 | Nationwide League Division One | 24th | 46 | 9 | 12 | 25 | 39 | |
| 2001/2002 | 2 | Nationwide League Division One | 19th | 46 | 12 | 14 | 20 | 50 | |
| 2000/2001 | 2 | Nationwide League Division One | 18th | 46 | 14 | 10 | 22 | 52 | |
| 1999/2000 | 2 | Nationwide League Division One | 20th | 46 | 13 | 12 | 21 | 51 | |
| 1998/1999 | 2 | Nationwide League Division One | 11th | 46 | 17 | 10 | 19 | 61 | |
| 1997/1998 | 3 | Nationwide League Division Two | 3rd | 46 | 19 | 15 | 12 | 72 | |
| 1996/1997 | 2 | Nationwide League Division One | 22nd | 46 | 11 | 13 | 22 | 46 | |
| 1995/1996 | 2 | Endsleigh League Division One | 17th | 46 | 14 | 14 | 18 | 56 | |
| 1994/1995 | 2 | Endsleigh League Division One | 10th | 46 | 17 | 14 | 15 | 65 | |
| 1993/1994 | 2 | Endsleigh League Division One | 16th | 46 | 13 | 20 | 13 | 59 | |
| 1992/1993 | 2 | Barclays League Division One | 9th | 46 | 19 | 7 | 20 | 64 | |
| 1991/1992 | 2 | Barclays Second Division | 19th | 46 | 14 | 11 | 21 | 53 | |
| 1990/1991 | 3 | Barclays Third Division | 3rd | 46 | 24 | 11 | 11 | 83 | |
| 1989/1990 | 4 | Barclays Fourth Division | 2nd | 46 | 22 | 13 | 11 | 79 | |
| 1988/1989 | 4 | Barclays Fourth Division | 9th | 46 | 17 | 15 | 14 | 66 | |
| 1987/1988 | 3 | Barclays Third Division | 22nd | 46 | 12 | 14 | 20 | 50 | |
| 1986/1987 | 2 | Today Second Division | 21st | 42 | 10 | 14 | 18 | 44 | |
| 1985/1986 | 2 | Canon Second Division | 15th | 42 | 14 | 10 | 18 | 52 | |
| 1984/1985 | 2 | Canon Second Division | 10th | 42 | 18 | 8 | 16 | 62 | |
| 1983/1984 | 2 | Canon Second Division | 5th | 42 | 19 | 13 | 10 | 70 | |
| 1982/1983 | 2 | English Second Division | 19th | 42 | 12 | 11 | 19 | 47 | |
| 1981/1982 | 2 | English Second Division | 17th | 42 | 11 | 13 | 18 | 46 | |
| 1980/1981 | 2 | English Second Division | 7th | 42 | 15 | 15 | 12 | 45 | |
| 1979/1980 | 3 | English Third Division | 1st | 46 | 26 | 10 | 10 | 62 | |
| 1978/1979 | 4 | English Fourth Division | 2nd | 46 | 26 | 9 | 11 | 61 | |
| 1977/1978 | 4 | English Fourth Division | 6th | 46 | 21 | 11 | 14 | 53 | |
| 1976/1977 | 3 | English Third Division | 23rd | 46 | 12 | 9 | 25 | 33 | |
| 1975/1976 | 3 | English Third Division | 18th | 46 | 15 | 10 | 21 | 40 | |
| 1974/1975 | 3 | English Third Division | 16th | 46 | 15 | 13 | 18 | 43 | |
| 1973/1974 | 3 | English Third Division | 6th | 46 | 18 | 15 | 13 | 51 | |
| 1972/1973 | 3 | English Third Division | 9th | 46 | 20 | 8 | 18 | 48 | |
| 1971/1972 | 4 | English Fourth Division | 1st | 46 | 28 | 7 | 11 | 63 | |
| 1970/1971 | 4 | English Fourth Division | 19th | 46 | 18 | 7 | 21 | 43 | |
| 1969/1970 | 4 | English Fourth Division | 16th | 46 | 14 | 15 | 17 | 43 | |
| 1968/1969 | 4 | English Fourth Division | 23rd | 46 | 9 | 15 | 22 | 33 | |
| 1967/1968 | 3 | English Third Division | 22nd | 46 | 14 | 9 | 23 | 37 | |
| 1966/1967 | 3 | English Third Division | 17th | 46 | 17 | 9 | 20 | 43 | |
| 1965/1966 | 3 | English Third Division | 11th | 46 | 17 | 13 | 16 | 47 | |
| 1964/1965 | 3 | English Third Division | 10th | 46 | 16 | 17 | 13 | 49 | |
| 1963/1964 | 2 | English Second Division | 21st | 42 | 9 | 14 | 19 | 32 | |
| 1962/1963 | 2 | English Second Division | 19th | 42 | 11 | 13 | 18 | 35 | |
| 1961/1962 | 3 | English Third Division | 2nd | 46 | 28 | 6 | 12 | 62 | |
| 1960/1961 | 3 | English Third Division | 6th | 46 | 20 | 10 | 16 | 50 | |
| 1959/1960 | 3 | English Third Division | 4th | 46 | 18 | 16 | 12 | 52 | |
| 1958/1959 | 2 | English Second Division | 21st | 42 | 9 | 10 | 23 | 28 | |
| 1957/1958 | 2 | English Second Division | 13th | 42 | 17 | 6 | 19 | 40 | |
| 1956/1957 | 2 | English Second Division | 16th | 42 | 17 | 5 | 20 | 39 | |
| 1955/1956 | 3 | English Third Division (North) | 1st | 46 | 31 | 6 | 9 | 68 | |
| 1954/1955 | 3 | English Third Division (North) | 23rd | 46 | 13 | 8 | 25 | 34 | |
| 1953/1954 | 3 | English Third Division (North) | 17th | 46 | 16 | 9 | 21 | 41 | |
| 1952/1953 | 3 | English Third Division (North) | 5th | 46 | 21 | 10 | 15 | 52 | |
| 1951/1952 | 3 | English Third Division (North) | 2nd | 46 | 29 | 8 | 9 | 66 | |
| 1950/1951 | 2 | English Second Division | 22nd | 42 | 8 | 12 | 22 | 28 | |
| 1949/1950 | 2 | English Second Division | 11th | 42 | 16 | 8 | 18 | 40 | |
| 1948/1949 | 2 | English Second Division | 11th | 42 | 15 | 10 | 17 | 40 | |
| 1947/1948 | 1 | English First Division | 22nd | 42 | 8 | 6 | 28 | 22 | |
| 1946/1947 | 1 | English First Division | 16th | 42 | 13 | 12 | 17 | 38 | |
| 1938/1939 | 1 | English First Division | 10th | 42 | 16 | 11 | 15 | 43 | |
| 1937/1938 | 1 | English First Division | 20th | 42 | 13 | 12 | 17 | 38 | |
| 1936/1937 | 1 | English First Division | 12th | 42 | 17 | 7 | 18 | 41 | |
| 1935/1936 | 1 | English First Division | 17th | 42 | 17 | 5 | 20 | 39 | |
| 1934/1935 | 1 | English First Division | 5th | 42 | 17 | 11 | 14 | 45 | |
| 1933/1934 | 2 | English Second Division | 1st | 42 | 27 | 5 | 10 | 59 | |
| 1932/1933 | 2 | English Second Division | 13th | 42 | 14 | 13 | 15 | 41 | |
| 1931/1932 | 1 | English First Division | 21st | 42 | 13 | 6 | 23 | 32 | |
| 1930/1931 | 1 | English First Division | 13th | 42 | 17 | 5 | 20 | 39 | |
| 1929/1930 | 1 | English First Division | 18th | 42 | 15 | 7 | 20 | 37 | |
| 1928/1929 | 2 | English Second Division | 2nd | 42 | 24 | 5 | 13 | 53 | |
| 1927/1928 | 2 | English Second Division | 11th | 42 | 14 | 12 | 16 | 40 | |
| 1926/1927 | 2 | English Second Division | 17th | 42 | 11 | 12 | 19 | 34 | |
| 1925/1926 | 3 | English Third Division (North) | 1st | 42 | 26 | 9 | 7 | 61 | |
| 1924/1925 | 3 | English Third Division (North) | 12th | 42 | 15 | 9 | 18 | 39 | |
| 1923/1924 | 3 | English Third Division (North) | 11th | 42 | 14 | 13 | 15 | 41 | |
| 1922/1923 | 3 | English Third Division (North) | 14th | 38 | 14 | 5 | 19 | 33 | |
| 1921/1922 | 3 | English Third Division (North) | 3rd | 38 | 21 | 8 | 9 | 50 | |
| 1920/1921 | 3 | English Third Division | 13th | 42 | 15 | 9 | 18 | 39 | |
| 1919/1920 | 2 | English Second Division | 22nd | 42 | 10 | 5 | 27 | 25 | |
| 1914/1915 | 2 | English Second Division | 17th | 38 | 11 | 9 | 18 | 31 | |
| 1913/1914 | 2 | English Second Division | 15th | 38 | 13 | 8 | 17 | 34 | |
| 1912/1913 | 2 | English Second Division | 7th | 38 | 15 | 10 | 13 | 40 | |
| 1911/1912 | 2 | English Second Division | 9th | 38 | 15 | 9 | 14 | 39 | |
| 1909/1910 | 2 | English Second Division | 19th | 38 | 9 | 6 | 23 | 24 | |
| 1908/1909 | 2 | English Second Division | 13th | 38 | 14 | 7 | 17 | 35 | |
| 1907/1908 | 2 | English Second Division | 18th | 38 | 11 | 8 | 19 | 30 | |
| 1906/1907 | 2 | English Second Division | 11th | 38 | 16 | 3 | 19 | 35 | |
| 1905/1906 | 2 | English Second Division | 8th | 38 | 15 | 10 | 13 | 40 | |
| 1904/1905 | 2 | English Second Division | 13th | 34 | 11 | 8 | 15 | 30 | |
| 1903/1904 | 2 | English Second Division | 6th | 34 | 14 | 8 | 12 | 36 | |
| 1902/1903 | 1 | English First Division | 17th | 34 | 8 | 9 | 17 | 25 | |
| 1901/1902 | 1 | English First Division | 15th | 34 | 13 | 6 | 15 | 32 | |
| 1900/1901 | 2 | English Second Division | 1st | 34 | 20 | 9 | 5 | 49 | |
| 1899/1900 | 2 | English Second Division | 6th | 34 | 17 | 6 | 11 | 40 | |
| 1898/1899 | 2 | English Second Division | 10th | 34 | 15 | 5 | 14 | 35 | |
| 1897/1898 | 2 | English Second Division | 12th | 30 | 10 | 4 | 16 | 24 | |
| 1896/1897 | 2 | English Second Division | 3rd | 30 | 17 | 4 | 9 | 38 | |
| 1895/1896 | 2 | English Second Division | 3rd | 30 | 20 | 2 | 8 | 42 | |