| Past Irish Open Winners |
| Year |
Winner (Score) -- Runners-Up |
| 2006 |
Thomas Bjorn (283) -- Paul Casey |
| 2005 |
*Stephen Dodd (279) -- David Howell |
| 2004 |
Brett Rumford (274) -- Padraig Harrington, Raphael Jacquelin |
| 2003 |
*Michael Campbell (277) -- Peter Hedblom, Thomas Bjorn |
| 2002 |
*Soren Hansen (270) -- Darren Fichardt, Richard Bland, Niclas Fasth |
| 2001 |
Colin Montgomerie (266) -- Padraig Harrington, Darren Clarke, Niclas Fasth |
| 2000 |
Patrick Sjoland (270) -- Fredrik Jacobson |
| 1999 |
Sergio Garcia (268) -- Angel Cabrera |
| 1998 |
*David Carter (278) -- Colin Montgomerie |
| 1997 |
Colin Montgomerie (269) -- Lee Westwood |
| 1996 |
Colin Montgomerie (279) -- Andrew Oldcorn, Wayne Riley |
| 1995 |
*Sam Torrance (277) -- Howard Clark, Stuart Cage |
| 1994 |
Bernhard Langer (275) -- Robert Allenby, John Daly |
| 1993 |
*Nick Faldo (276) -- Jose Maria Olazabal |
| 1992 |
*Nick Faldo (274) -- Wayne Westner |
| 1991 |
Nick Faldo (283) -- Colin Montgomerie |
| 1990 |
Jose Maria Olazabal (282) -- Frank Nobilo, Mark Calcavecchia |
| 1989 |
*Ian Woosnam (278) -- Philip Walton |
| 1988 |
Ian Woosnam (278) -- Nick Faldo, Manuel Pinero, Des Smyth, Jose Maria Olazabal |
| 1987 |
Bernhard Langer (269) -- Sandy Lyle |
| 1986 |
Seve Ballesteros (285) -- Rodger Davis, Mark McNulty |
| 1985 |
*Seve Ballesteros (278) -- Bernhard Langer |
| 1984 |
Bernhard Langer (267) -- Mark James |
| 1983 |
Seve Ballesteros (271) -- Brian Barnes |
| 1982 |
John O'Leary (287) -- Maurice Bembridge |
| 1981 |
Sam Torrance (276) -- Nick Faldo |
| 1980 |
Mark James (284) -- Brian Barnes |
| 1979 |
Mark James (282) -- Ed Sneed |
| 1978 |
Ken Brown (281) -- Seve Ballesteros, John O'Leary |
| 1977 |
Hubert Green (283) -- Ben Crenshaw |
| 1976 |
Ben Crenshaw (284) -- Brian Barnes, Martin Foster, Billy Casper |
| 1975 |
Christy O'Connor, Jr. (275) -- Harry Bannerman |
| 1974 |
Not Held |
| 1973 |
Not Held |
| 1972 |
Not Held |
| 1971 |
Not Held |
| 1970 |
Not Held |
| 1969 |
Not Held |
| 1968 |
Not Held |
| 1967 |
Not Held |
| 1966 |
Not Held |
| 1965 |
Not Held |
| 1964 |
Not Held |
| 1963 |
Not Held |
| 1962 |
Not Held |
| 1961 |
Not Held |
| 1960 |
Not Held |
| 1959 |
Not Held |
| 1958 |
Not Held |
| 1957 |
Not Held |
| 1956 |
Not Held |
| 1955 |
Not Held |
| 1954 |
Not Held |
| 1953 |
E.Brown (272) |
| 1952 |
Not Held |
| 1951 |
Not Held |
| 1950 |
H.Pickworth (287) |
| 1949 |
H.Bradshaw (286) |
| 1948 |
D.Rees (295) |
| 1947 |
H.Bradshaw (290) |
| 1946 |
F.Daly (288) |
| 1945 |
Not Held |
| 1944 |
Not Held |
| 1943 |
Not Held |
| 1942 |
Not Held |
| 1941 |
Not Held |
| 1940 |
Not Held |
| 1939 |
A.Lees (287) |
| 1938 |
A.Locke (292) |
| 1937 |
B.Gadd (284) |
| 1936 |
R.Whitcombe (281) |
| 1935 |
E.Whitcombe (292) |
| 1934 |
S.Easterbrook (284) |
| 1933 |
E.Kenyon (286) |
| 1932 |
A.Padgham (283) |
| 1931 |
E.Kenyon (291) |
| 1930 |
C.Whitcombe (289) |
| 1929 |
Abe Mitchell (309) |
| 1928 |
E.Whitcombe (288) |
| 1927 |
George Duncan (312) |