IBA Senior Inter Association Championship – Past Winners
Major Sir William Baird Cup
| 2026 | NIPGL |
| 2025 | NIPBA |
| 2024 | NIPBA |
| 2023 | NIPGL |
| 2022 | NIPGL |
| 2019 | NIBA |
| 2018 | NIPGL |
| 2017 | NIBA |
| 2016 | NIPBA |
| 2015 | NIPBA |
| 2014 | NIBA |
| 2013 | NIBA |
| 2012 | NIPGL |
| 2011 | NIPGL |
| 2010 | NIPBA |
| 2009 | BLI |
| 2008 | NIPBA |
| 2007 | NIPBA |
| 2006 | NIBA |
| 2005 | NIPGL |
| 2004 | NIBA |
| 2003 | NIPGL |
| 2002 | NIPGL |
| 2001 | NIPGL |
| 2000 | NIPGL |
| 1999 | NIPGL |
| 1998 | NIPGL |
| 1997 | NIBA |
| 1996 | NIPGL |
| 1995 | NIPGL |
| 1994 | NIBA |
| 1993 | NIPGL |
| 1992 | NIBA |
| 1991 | NIPGL |
| 1990 | NIPGL |
| 1989 | NIPGL |
| 1988 | NIPGL |
| 1987 | NIPBA |
| 1986 | NIBA |
| 1985 | NIPGL |
| 1984 | NIBA |
| 1983 | NIPGL |
| 1982 | NIPBA |
| 1981 | NIBA |
| 1980 | NIPBA |
| 1979 | NIPGL |
| 1978 | NIPGL |
| 1977 | NIPGL |
| 1976 | NIPBA |
| 1975 | NIBA |
| 1974 | NIPBA |
| 1973 | NIPGL |
| 1972 | NIPGL |
| 1971 | NIBA |
| 1970 | NIPGL |
| 1969 | NIPGL |
| 1968 | NIBA |
| 1967 | NIPGL |
| 1966 | NIBA |
| 1965 | NIBA |
| 1964 | NIPGL |
| 1963 | NIPGL |
| 1962 | NIPGL |
| 1961 | NIPGL |
| 1960 | NIPGL |
| 1959 | NIPGL |
| 1958 | NIPGL |
| 1957 | NIBA |
| 1956 | NIPGL |
| 1955 | NIPGL |
| 1954 | NIPGL |
| 1953 | NIBA |
| 1952 | NIPGL |
| 1951 | NIPGL |
| 1950 | NIBA |
| 1949 | NIBA |
| 1948 | NIPGL |
| 1947 | NIPGL |
| 1946 | NIPGL |
| 1945 | NIBA |
| 1944 | NIBA |
| 1943 | NIBA |
| 1942 | NIBA |
| 1941 | Not held |
| 1940 | NIPGL |
| 1939 | NIBA |
| 1938 | NIPGL |
| 1937 | NIPGL |
