Ivy League

1956 Yale (7-0)
1957 Princeton (6-1)
1958 Dartmouth (6-1) 
1959 Penn (6-1)
1960 Yale (7-0)
1961 Columbia, Harvard (6-1)
1962 Dartmouth (7-0)
1963 Dartmouth, Princeton (5-2)
1964 Princeton (7-0)
1965 Dartmouth (7-0)
1966 Harvard, Dartmouth, Princeton (6-1)
1967 Yale (7-0)
1968 Harvard, Yale (6-0-1)
1969 Dartmouth, Yale, Princeton (6-1)
1970 Dartmouth (7-0)
1971 Cornell, Dartmouth (6-1)
1972 Dartmouth (5-1-1)
1973 Dartmouth (6-1)
1974 Yale, Harvard (6-1)
1975 Harvard (6-1)
1976 Brown, Yale (6-1)
1977 Yale (6-1)
1978 Dartmouth (6-1)
1979 Yale (6-1)
1980 Yale (6-1)
1981 Yale, Dartmouth (6-1)
1982 Dartmouth, Harvard, Penn (5-2)
1983 Harvard, Penn (5-1-1)
1984 Penn (7-0)
1985 Penn (6-1)
1986 Penn (7-0)
1987 Harvard (6-1)
1988 Cornell, Penn (6-1)
1989 Princeton, Yale (6-1)
1990 Cornell, Dartmouth (6-1)
1991 Dartmouth (6-0-1)
1992 Dartmouth, Princeton (6-1)
1993 Penn (7-0)
1994 Penn (7-0)
1995 Princeton (5-1-1)
1996 Dartmouth (7-0)
1997 Harvard (7-0)
1998 Penn (6-1)
1999 Brown, Yale (6-1)
2000 Penn (6-1)
2001 Harvard (7-0)
2002 Penn (7-0)
2003 Penn (7-0)
2004 Harvard (7-0)
2005 Brown (6-1)
2006 Princeton, Yale (6-1)
2007 Harvard (7-0)
2008 Brown, Harvard (6-1)
2009 Penn (7-0)
2010 Penn (7-0)
2011 Harvard (7-0)
2012 Penn (6-1)
2013 Harvard, Princeton (6-1)
2014 Harvard (7-0)
2015 Dartmouth, Harvard, Penn (6-1)
2016 Penn, Princeton (6-1)
2017 Yale (6-1)
2018 Princeton (7-0)
2019 Dartmouth, Yale (6-1)
2020 - 
2021 Dartmount, Princeton (6-1)
2022 Yale (6-1)
2023 Dartmouth, Harvard, Yale (5-2)
2023 Columbiam, Dartmouth, Harvard (5-2)