Ireland at Miss Universe
Results by Edition
| Year | Contestant | City | Placement |
|---|
| 1961 | | Miami Beach | Unplaced |
| 1962 | | Miami Beach | Unplaced |
| 1963 | | Miami Beach | 2nd runner-up |
| 1964 | | Miami Beach | Unplaced |
| 1965 | | Miami Beach | Unplaced |
| 1966 | | Miami Beach | Unplaced |
| 1967 | | Miami Beach | Semifinalist |
| 1968 | | Miami Beach | Unplaced |
| 1969 | | Miami Beach | Unplaced |
| 1970 | | Miami Beach | Unplaced |
| 1971 | | Miami Beach | Unplaced |
| 1972 | | Dorado | Unplaced |
| 1973 | | Athens | Unplaced |
| 1974 | | Malate | Unplaced |
| 1975 | | San Salvador | Semifinalist |
| 1976 | | Causeway Bay | Unplaced |
| 1977 | | Santo Domingo | Unplaced |
| 1978 | | Acapulco | Semifinalist |
| 1979 | | Perth | Unplaced |
| 1980 | | Seoul | Unplaced |
| 1981 | | New York City | Unplaced |
| 1982 | | Lima | Unplaced |
| 1983 | | St. Louis | 2nd runner-up |
| 1984 | | Miami | Unplaced |
| 1985 | | Miami | Semifinalist |
| 1986 | | Panama City | Unplaced |
| 1987 | | Singapore | Unplaced |
| 1988 | | Taipei | Unplaced |
| 1989 | | Cancún | Unplaced |
| 1990 | | Los Angeles | Unplaced |
| 1991 | | Las Vegas | Unplaced |
| 1992 | | Bangkok | Unplaced |
| 1993 | | Mexico City | Unplaced |
| 1994 | | Pasay | Unplaced |
| 1995 | | Windhoek | Unplaced |
| 1996 | | Paradise | Unplaced |
| 1997 | | Miami Beach | Unplaced |
| 1998 | | Honolulu | Semifinalist |
| 1999 | | Chaguaramas | Unplaced |
| 2000 | | Nicosia | Unplaced |
| 2001 | | Bayamón | Unplaced |
| 2002 | | San Juan | Unplaced |
| 2003 | | Panama City | Unplaced |
| 2004 | | Quito | Unplaced |
| 2005 | | Muang Thong Thani | Unplaced |
| 2006 | | Los Angeles | Unplaced |
| 2008 | | Nha Trang | Unplaced |
| 2009 | | Atlantis Paradise Island | Unplaced |
| 2010 | | Las Vegas | Semifinalist |
| 2011 | | São Paulo | Unplaced |
| 2012 | | Las Vegas | Unplaced |
| 2014 | | University Park | Unplaced |
| 2015 | | Las Vegas | Unplaced |
| 2017 | | Las Vegas | Semifinalist |
| 2018 | | Muang Thong Thani | Quarterfinalist |
| 2019 | | Atlanta | Unplaced |
| 2020 | | Hollywood | Unplaced |
| 2021 | | Eilat | Unplaced |
| 2023 | | San Salvador | Unplaced |
| 2024 | | Mexico City | Unplaced |
| 2025 | | Pak Kret | Unplaced |
