Popularity in New Zealand
Numbers
| Isabella (feminine) | |||
| Year | Rank | Times Used | |
| 2023 | #15 | 130 | |
| 2022 | #14 | 156 | |
| 2021 | #8 | 171 | |
| 2020 | #12 | 160 | |
| 2019 | #14 | 171 | |
| 2018 | #7 | 191 | |
| 2017 | #11 | 185 | |
| 2016 | #12 | 182 | |
| 2015 | #10 | 201 | |
| 2014 | #11 | 183 | |
| 2013 | #9 | 210 | |
| 2012 | #6 | 266 | |
| 2011 | #4 | 276 | |
| 2010 | #5 | 286 | |
| 2009 | #4 | 289 | |
| 2008 | #4 | 289 | |
| 2007 | #10 | 239 | |
| 2006 | #11 | 225 | |
| 2005 | #12 | 193 | |
| 2004 | #10 | 205 | |
| 2003 | #12 | 189 | |
| 2002 | #16 | 158 | |
| 2001 | #15 | 163 | |
| 2000 | #24 | 125 | |
| 1999 | #27 | 128 | |
| 1998 | #38 | 103 | |
| 1997 | #58 | 79 | |
| 1996 | #59 | 73 | |
| 1995 | #89 | 51 | |
| 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 | - | - | |
| 1963 | - | - | |
| 1962 | - | - | |
| 1961 | - | - | |
| 1960 | - | - | |
| 1959 | - | - | |
| 1958 | - | - | |
| 1957 | - | - | |
| 1956 | - | - | |
| 1955 | - | - | |
| 1954 | - | - | |
| 1953 | - | - | |
| 1952 | - | - | |
| 1951 | - | - | |
| 1950 | - | - | |
| 1949 | - | - | |
| 1948 | - | - | |
| 1947 | - | - | |
| 1946 | - | - | |
| 1945 | - | - | |
| 1944 | - | - | |
| 1943 | - | - | |
| 1942 | - | - | |
| 1941 | - | - | |
| 1940 | - | - | |
| 1939 | - | - | |
| 1938 | - | - | |
| 1937 | - | - | |
| 1936 | - | - | |
| 1935 | - | - | |
| 1934 | - | - | |
| 1933 | - | - | |
| 1932 | - | - | |
| 1931 | - | - | |
| 1930 | - | - | |
| 1929 | - | - | |
| 1928 | - | - | |
| 1927 | - | - | |
| 1926 | - | - | |
| 1925 | - | - | |
| 1924 | - | - | |
| 1923 | - | - | |
| 1922 | #99 | 31 | |
| 1921 | - | - | |
| 1920 | #97 | 32 | |
| 1919 | #73 | 37 | |
| 1918 | #74 | 43 | |
| 1917 | #81 | 40 | |
| 1916 | #70 | 50 | |
| 1915 | #67 | 51 | |
| 1914 | #54 | 64 | |
| 1913 | #60 | 57 | |
| 1912 | #65 | 50 | |
| 1911 | #51 | 64 | |
| 1910 | #61 | 52 | |
| 1909 | #50 | 64 | |
| 1908 | #54 | 59 | |
| 1907 | #52 | 57 | |
| 1906 | #48 | 63 | |
| 1905 | #51 | 60 | |
| 1904 | #47 | 58 | |
| 1903 | #47 | 61 | |
| 1902 | #32 | 80 | |
| 1901 | #35 | 73 | |
| 1900 | #41 | 53 | |
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