Popularity in New Zealand
Numbers
| Kay (feminine) | |||
| Year | Rank | Times Used | |
| 2023 | - | - | |
| 2022 | - | - | |
| 2021 | - | - | |
| 2020 | - | - | |
| 2019 | - | - | |
| 2018 | - | - | |
| 2017 | - | - | |
| 2016 | - | - | |
| 2015 | - | - | |
| 2014 | - | - | |
| 2013 | - | - | |
| 2012 | - | - | |
| 2011 | - | - | |
| 2010 | - | - | |
| 2009 | - | - | |
| 2008 | - | - | |
| 2007 | - | - | |
| 2006 | - | - | |
| 2005 | - | - | |
| 2004 | - | - | |
| 2003 | - | - | |
| 2002 | - | - | |
| 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 | #97 | 64 | |
| 1964 | #99 | 68 | |
| 1963 | #88 | 83 | |
| 1962 | #74 | 109 | |
| 1961 | #64 | 123 | |
| 1960 | #66 | 112 | |
| 1959 | #75 | 96 | |
| 1958 | #62 | 115 | |
| 1957 | #68 | 99 | |
| 1956 | #61 | 100 | |
| 1955 | #55 | 119 | |
| 1954 | #54 | 114 | |
| 1953 | #43 | 152 | |
| 1952 | #52 | 111 | |
| 1951 | #50 | 118 | |
| 1950 | #60 | 95 | |
| 1949 | #51 | 113 | |
| 1948 | #59 | 96 | |
| 1947 | #49 | 124 | |
| 1946 | #54 | 102 | |
| 1945 | #48 | 95 | |
| 1944 | #65 | 68 | |
| 1943 | #36 | 90 | |
| 1942 | #70 | 62 | |
| 1941 | #51 | 84 | |
| 1940 | #69 | 55 | |
| 1939 | #86 | 33 | |
| 1938 | #74 | 40 | |
| 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 | - | - | |
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