Popularity in Ireland
Numbers
| Isabelle (feminine) | |||
| Year | Rank | Times Used | |
| 2023 | #32 | 132 | |
| 2022 | #27 | 178 | |
| 2021 | #39 | 147 | |
| 2020 | #39 | 128 | |
| 2019 | #33 | 172 | |
| 2018 | #26 | 189 | |
| 2017 | #26 | 197 | |
| 2016 | #28 | 202 | |
| 2015 | #26 | 224 | |
| 2014 | #26 | 223 | |
| 2013 | #31 | 207 | |
| 2012 | #26 | 252 | |
| 2011 | #27 | 265 | |
| 2010 | #26 | 275 | |
| 2009 | #32 | 233 | |
| 2008 | #41 | 190 | |
| 2007 | #43 | 167 | |
| 2006 | #50 | 129 | |
| 2005 | #62 | 98 | |
| 2004 | #76 | 72 | |
| 2003 | #100 | 51 | |
| 2002 | #77 | 64 | |
| 2001 | - | - | |
| 2000 | - | - | |
| 1999 | - | - | |
| 1998 | - | - | |
| 1997 | - | - | |
| 1996 | - | - | |
| 1995 | - | - | |
| 1994 | - | - | |
| 1993 | - | - | |
| 1992 | - | - | |
| 1991 | - | - | |
| 1990 | - | - | |
| 1989 | - | - | |
| 1988 | - | - | |
| 1987 | - | - | |
| 1986 | - | - | |
| 1985 | - | - | |
| 1984 | - | - | |
| 1983 | - | - | |
| 1982 | - | - | |
| 1981 | - | - | |
| 1980 | - | - | |
| 1979 | - | - | |
| 1978 | - | - | |
| 1977 | - | - | |
| 1976 | - | - | |
| 1975 | - | - | |
| 1974 | - | - | |
| 1973 | - | - | |
| 1972 | - | - | |
| 1971 | - | - | |
| 1970 | - | - | |
| 1969 | - | - | |
| 1968 | - | - | |
| 1967 | - | - | |
| 1966 | - | - | |
| 1965 | - | - | |
| 1964 | - | - | |
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