- 1919-20 Northern Ontario Senior Playoffs
- 1920-21 Northern Ontario Senior Playoffs
- 1921-22 Northern Ontario Senior Playoffs
- 1922-23 Northern Ontario Senior Playoffs
- 1923-24 Northern Ontario Senior Playoffs
- 1924-25 Northern Ontario Senior Playoffs
- 1925-26 Northern Ontario Senior Playoffs
- 1926-27 Northern Ontario Senior Playoffs
- 1927-28 Northern Ontario Senior Playoffs
- 1928-29 Northern Ontario Senior Playoffs
- 1929-30 Northern Ontario Senior Playoffs
- 1930-31 Northern Ontario Senior Playoffs
- 1931-32 Northern Ontario Senior Playoffs
- 1932-33 Northern Ontario Senior Playoffs
- 1933-34 Northern Ontario Senior Playoffs
- 1934-35 Northern Ontario Senior Playoffs
- 1935-36 Northern Ontario Senior Playoffs
- 1936-37 Northern Ontario Senior Playoffs
- 1937-38 Northern Ontario Senior Playoffs
- 1938-39 Northern Ontario Senior Playoffs
- 1939-40 Northern Ontario Senior Playoffs
- 1940-41 Northern Ontario Senior Playoffs
- 1941-42 Northern Ontario Senior Playoffs
- 1942-43 Northern Ontario Senior Playoffs
- 1943-44 Northern Ontario Senior Playoffs
- 1944-45 Northern Ontario Senior Playoffs
- 1945-46 Northern Ontario Senior Playoffs
- 1946-47 Northern Ontario Senior Playoffs
- 1947-48 Northern Ontario Senior Playoffs
- 1948-49 Northern Ontario Senior Playoffs
- 1949-50 Northern Ontario Senior Playoffs
- 1950-51 Northern Ontario Senior Playoffs
- 1951-52 Northern Ontario Senior Playoffs
- 1952-53 Northern Ontario Senior Playoffs
- 1953-54 Northern Ontario Senior Playoffs
- 1954-55 Northern Ontario Senior Playoffs
- 1955-56 Northern Ontario Senior Playoffs
- 1956-57 Northern Ontario Senior Playoffs
- 1956-57 Northern Ontario Senior Southern Section season
- 1956-57 Porcupine Mines League season
- 1957-58 Northern Ontario Senior Playoffs
- 1958-59 Northern Ontario Senior Playoffs
- 1959-60 Northern Ontario Senior Playoffs
- 1960-61 Northern Ontario Senior Playoffs
- 1961-62 Northern Ontario Senior Playoffs
- 1962-63 Northern Ontario Senior Playoffs
- 1963-64 Northern Ontario Senior Playoffs
- 1964-65 Northern Ontario Senior Playoffs
- 1965-66 Northern Ontario Senior Playoffs
- 1966-67 Northern Ontario Senior Playoffs
- 1967-68 Northern Ontario Senior Playoffs
- 1968-69 Northern Ontario Senior Playoffs
- 1969-70 Northern Ontario Senior Playoffs
- 1970-71 Northern Ontario Senior Playoffs
- 1971-72 region represented by Sault Ste. Marie Canadians
- 1972-73 none (Sault Ste. Marie played in USHL, unclear if entered NOHA Senior/Eastern Canada Senior Playoffs)
- 1973-74 none
- 1974-75 none
To date there have been no further entries for Allan Cup playoffs from the district covered by the NOHA.