Popularity in Australia (NSW)
Numbers
| Isabella (feminine) | |||
| Year | Rank | Times Used | |
| 2023 | #15 | 244 | |
| 2022 | #16 | 269 | |
| 2021 | #13 | 290 | |
| 2020 | #13 | 289 | |
| 2019 | #11 | 302 | |
| 2018 | #12 | 300 | |
| 2017 | #11 | 334 | |
| 2016 | #11 | 345 | |
| 2015 | #11 | 347 | |
| 2014 | #9 | 406 | |
| 2013 | #7 | 485 | |
| 2012 | #9 | 497 | |
| 2011 | #3 | 560 | |
| 2010 | #1 | 609 | |
| 2009 | #1 | 616 | |
| 2008 | #3 | 573 | |
| 2007 | #1 | 623 | |
| 2006 | #7 | 509 | |
| 2005 | #7 | 516 | |
| 2004 | #7 | 477 | |
| 2003 | #5 | 482 | |
| 2002 | #4 | 503 | |
| 2001 | #5 | 483 | |
| 2000 | #9 | 426 | |
| 1999 | #8 | 401 | |
| 1998 | #9 | 348 | |
| 1997 | #13 | 321 | |
| 1996 | #20 | 254 | |
| 1995 | #30 | 219 | |
| 1994 | #51 | 143 | |
| 1993 | #76 | 111 | |
| 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 | - | - | |
| 1963 | - | - | |
| 1962 | - | - | |
| 1961 | - | - | |
| 1960 | - | - | |
| 1959 | - | - | |
| 1958 | - | - | |
| 1957 | - | - | |
| 1956 | - | - | |
| 1955 | - | - | |
| 1954 | - | - | |
| 1953 | - | - | |
| 1952 | - | - | |
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