Popularity in New Zealand
Numbers
| Isaac (masculine) | |||
| Year | Rank | Times Used | |
| 2023 | #45 | 78 | |
| 2022 | #52 | 77 | |
| 2021 | #45 | 87 | |
| 2020 | #51 | 82 | |
| 2019 | #36 | 117 | |
| 2018 | #30 | 121 | |
| 2017 | #30 | 128 | |
| 2016 | #35 | 116 | |
| 2015 | #30 | 148 | |
| 2014 | #28 | 150 | |
| 2013 | #30 | 145 | |
| 2012 | #31 | 157 | |
| 2011 | #21 | 186 | |
| 2010 | #17 | 233 | |
| 2009 | #26 | 177 | |
| 2008 | #39 | 122 | |
| 2007 | #37 | 138 | |
| 2006 | #36 | 135 | |
| 2005 | #35 | 129 | |
| 2004 | #28 | 145 | |
| 2003 | #31 | 131 | |
| 2002 | #40 | 105 | |
| 2001 | #31 | 136 | |
| 2000 | #31 | 148 | |
| 1999 | #37 | 135 | |
| 1998 | #35 | 142 | |
| 1997 | #40 | 133 | |
| 1996 | #47 | 128 | |
| 1995 | #61 | 101 | |
| 1994 | #55 | 117 | |
| 1993 | #54 | 112 | |
| 1992 | #61 | 103 | |
| 1991 | #70 | 80 | |
| 1990 | #67 | 83 | |
| 1989 | #71 | 75 | |
| 1988 | #92 | 59 | |
| 1987 | #71 | 71 | |
| 1986 | #86 | 59 | |
| 1985 | #76 | 64 | |
| 1984 | #88 | 55 | |
| 1983 | - | - | |
| 1982 | #92 | 51 | |
| 1981 | #90 | 57 | |
| 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 | - | - | |
| 1921 | - | - | |
| 1920 | - | - | |
| 1919 | - | - | |
| 1918 | - | - | |
| 1917 | - | - | |
| 1916 | - | - | |
| 1915 | - | - | |
| 1914 | - | - | |
| 1913 | - | - | |
| 1912 | - | - | |
| 1911 | - | - | |
| 1910 | - | - | |
| 1909 | - | - | |
| 1908 | - | - | |
| 1907 | - | - | |
| 1906 | - | - | |
| 1905 | - | - | |
| 1904 | - | - | |
| 1903 | - | - | |
| 1902 | - | - | |
| 1901 | - | - | |
| 1900 | - | - | |
 |
|||