Katy is an established variant of Katie that peaked in 1987 and has since faded.
Katy is predominantly a girl name. In 2025 it ranked #2,709 for girl births in the United States (and #4,770 across all names), given to 64 babies. Katy was first reported in SSA data in 1880 and peaked in 1987 (674 births).
| Year | U.S. births | U.S. + territories | ♀ Rank | ♂ Rank |
|---|---|---|---|---|
| 2025 | 64 | 64 | #2,709 | — |
| 2024 | 73 | 73 | #2,476 | — |
| 2023 | 89 | 89 | #2,150 | — |
| 2022 | 85 | 85 | #2,220 | — |
| 2021 | 87 | 87 | #2,164 | — |
| 2020 | 82 | 82 | #2,208 | — |
| 2019 | 91 | 91 | #2,081 | — |
| 2018 | 113 | 113 | #1,804 | — |
| 2017 | 116 | 116 | #1,795 | — |
| 2016 | 133 | 133 | #1,640 | — |
| 2015 | 143 | 143 | #1,547 | — |
| 2014 | 184 | 184 | #1,296 | — |
| 2013 | 160 | 160 | #1,424 | — |
| 2012 | 165 | 165 | #1,401 | — |
| 2011 | 201 | 201 | #1,200 | — |
| 2010 | 185 | 185 | #1,290 | — |
| 2009 | 194 | 194 | #1,260 | — |
| 2008 | 214 | 214 | #1,192 | — |
| 2007 | 217 | 217 | #1,175 | — |
| 2006 | 210 | 210 | #1,161 | — |
| 2005 | 226 | 226 | #1,057 | — |
| 2004 | 240 | 240 | #988 | — |
| 2003 | 233 | 233 | #994 | — |
| 2002 | 240 | 240 | #935 | — |
| 2001 | 218 | 218 | #987 | — |
| 2000 | 220 | 220 | #964 | — |
| 1999 | 243 | 243 | #881 | — |
| 1998 | 257 | 257 | #830 | — |
| 1997 | 279 | — | #758 | — |
| 1996 | 274 | — | #771 | — |
| 1995 | 328 | — | #654 | — |
| 1994 | 349 | — | #630 | — |
| 1993 | 398 | — | #591 | — |
| 1992 | 458 | — | #518 | — |
| 1991 | 430 | — | #549 | — |
| 1990 | 470 | — | #511 | — |
| 1989 | 584 | — | #426 | — |
| 1988 | 588 | — | #407 | — |
| 1987 | 674 | — | #351 | — |
| 1986 | 655 | — | #362 | — |
| 1985 | 654 | — | #362 | — |
| 1984 | 566 | — | #388 | — |
| 1983 | 561 | — | #392 | — |
| 1982 | 564 | — | #406 | — |
| 1981 | 577 | — | #393 | — |
| 1980 | 508 | — | #429 | #6,762 |
| 1979 | 461 | — | #445 | — |
| 1978 | 440 | — | #453 | — |
| 1977 | 323 | — | #549 | — |
| 1976 | 219 | — | #680 | — |
| 1975 | 207 | — | #714 | — |
| 1974 | 194 | — | #734 | — |
| 1973 | 164 | — | #799 | — |
| 1972 | 147 | — | #871 | — |
| 1971 | 153 | — | #878 | — |
| 1970 | 165 | — | #831 | — |
| 1969 | 132 | — | #924 | — |
| 1968 | 109 | — | #1,005 | — |
| 1967 | 90 | — | #1,099 | — |
| 1966 | 110 | — | #976 | — |
| 1965 | 140 | — | #843 | — |
| 1964 | 160 | — | #831 | — |
| 1963 | 157 | — | #833 | — |
| 1962 | 190 | — | #754 | — |
| 1961 | 172 | — | #796 | — |
| 1960 | 185 | — | #752 | — |
| 1959 | 180 | — | #759 | — |
| 1958 | 146 | — | #848 | — |
| 1957 | 117 | — | #952 | — |
| 1956 | 82 | — | #1,148 | — |
| 1955 | 66 | — | #1,248 | — |
| 1954 | 76 | — | #1,138 | — |
| 1953 | 63 | — | #1,222 | — |
| 1952 | 60 | — | #1,230 | — |
| 1951 | 69 | — | #1,126 | — |
| 1950 | 76 | — | #1,057 | — |
| 1949 | 60 | — | #1,179 | — |
| 1948 | 76 | — | #1,003 | — |
| 1947 | 76 | — | #1,018 | — |
| 1946 | 75 | — | #964 | — |
| 1945 | 55 | — | #1,054 | — |
| 1944 | 68 | — | #939 | — |
| 1943 | 69 | — | #950 | — |
| 1942 | 66 | — | #963 | — |
| 1941 | 80 | — | #811 | — |
| 1940 | 81 | — | #788 | — |
| 1939 | 77 | — | #779 | — |
| 1938 | 57 | — | #946 | — |
| 1937 | 59 | — | #899 | — |
| 1936 | 66 | — | #831 | — |
| 1935 | 57 | — | #917 | — |
| 1934 | 48 | — | #997 | — |
| 1933 | 46 | — | #1,033 | — |
| 1932 | 42 | — | #1,105 | — |
| 1931 | 49 | — | #1,004 | — |
| 1930 | 42 | — | #1,148 | — |
| 1929 | 57 | — | #955 | — |
| 1928 | 52 | — | #1,046 | — |
| 1927 | 47 | — | #1,115 | — |
| 1926 | 43 | — | #1,172 | — |
| 1925 | 65 | — | #926 | — |
| 1924 | 60 | — | #988 | — |
| 1923 | 65 | — | #910 | — |
| 1922 | 51 | — | #1,071 | — |
| 1921 | 41 | — | #1,211 | — |
| 1920 | 57 | — | #974 | — |
| 1919 | 66 | — | #862 | — |
| 1918 | 45 | — | #1,092 | — |
| 1917 | 45 | — | #1,060 | — |
| 1916 | 44 | — | #1,048 | — |
| 1915 | 41 | — | #1,046 | — |
| 1914 | 40 | — | #936 | — |
| 1913 | 28 | — | #1,033 | — |
| 1912 | 13 | — | #1,573 | — |
| 1911 | 18 | — | #1,053 | — |
| 1910 | 16 | — | #1,146 | — |
| 1909 | 23 | — | #857 | — |
| 1908 | 20 | — | #897 | — |
| 1907 | 24 | — | #767 | — |
| 1906 | 17 | — | #905 | — |
| 1905 | 15 | — | #988 | — |
| 1904 | 15 | — | #948 | — |
| 1903 | 13 | — | #1,003 | — |
| 1902 | 24 | — | #703 | — |
| 1901 | 16 | — | #842 | — |
| 1900 | 17 | — | #929 | — |
| 1899 | 17 | — | #804 | — |
| 1898 | 7 | — | #1,436 | — |
| 1897 | 15 | — | #845 | — |
| 1896 | 10 | — | #1,083 | — |
| 1895 | 17 | — | #780 | — |
| 1894 | 12 | — | #924 | — |
| 1893 | 14 | — | #812 | — |
| 1892 | 8 | — | #1,129 | — |
| 1891 | 10 | — | #922 | — |
| 1890 | 13 | — | #775 | — |
| 1889 | 6 | — | #1,208 | — |
| 1888 | 8 | — | #994 | — |
| 1887 | 10 | — | #767 | — |
| 1886 | 6 | — | #1,036 | — |
| 1885 | 7 | — | #877 | — |
| 1884 | 5 | — | #1,092 | — |
| 1882 | 5 | — | #975 | — |
| 1880 | 7 | — | #708 | — |