Kathyrn is an uncommon variant of Kathryn that peaked in 1953 and has since faded.
Kathyrn is a girl name. It last appears in U.S. records in 2018. Kathyrn was first reported in SSA data in 1882 and peaked in 1953 (105 births).
| Year | U.S. births | U.S. + territories | Rank |
|---|---|---|---|
| 2018 | 6 | 6 | #14,724 |
| 2011 | 7 | 7 | #14,055 |
| 2009 | 6 | 6 | #16,217 |
| 2008 | 7 | 7 | #14,580 |
| 2007 | 7 | 7 | #14,676 |
| 2006 | 13 | 13 | #8,989 |
| 2005 | 9 | 9 | #11,364 |
| 2004 | 11 | 11 | #9,567 |
| 2003 | 17 | 17 | #6,748 |
| 2002 | 14 | 14 | #7,623 |
| 2001 | 14 | 14 | #7,525 |
| 2000 | 17 | 17 | #6,335 |
| 1999 | 18 | 18 | #5,774 |
| 1998 | 13 | 13 | #7,319 |
| 1997 | 18 | — | #5,509 |
| 1996 | 15 | — | #6,208 |
| 1995 | 15 | — | #6,106 |
| 1994 | 27 | — | #3,952 |
| 1993 | 18 | — | #5,322 |
| 1992 | 21 | — | #4,768 |
| 1991 | 23 | — | #4,401 |
| 1990 | 23 | — | #4,303 |
| 1989 | 22 | — | #4,305 |
| 1988 | 35 | — | #2,948 |
| 1987 | 26 | — | #3,464 |
| 1986 | 30 | — | #3,087 |
| 1985 | 27 | — | #3,282 |
| 1984 | 38 | — | #2,494 |
| 1983 | 43 | — | #2,253 |
| 1982 | 39 | — | #2,467 |
| 1981 | 22 | — | #3,671 |
| 1980 | 28 | — | #3,097 |
| 1979 | 28 | — | #3,028 |
| 1978 | 26 | — | #3,045 |
| 1977 | 27 | — | #2,951 |
| 1976 | 32 | — | #2,512 |
| 1975 | 18 | — | #3,690 |
| 1974 | 25 | — | #2,868 |
| 1973 | 21 | — | #3,168 |
| 1972 | 24 | — | #2,854 |
| 1971 | 37 | — | #2,194 |
| 1970 | 28 | — | #2,607 |
| 1969 | 27 | — | #2,546 |
| 1968 | 36 | — | #2,009 |
| 1967 | 39 | — | #1,895 |
| 1966 | 37 | — | #1,897 |
| 1965 | 28 | — | #2,273 |
| 1964 | 49 | — | #1,647 |
| 1963 | 54 | — | #1,534 |
| 1962 | 51 | — | #1,582 |
| 1961 | 58 | — | #1,471 |
| 1960 | 68 | — | #1,345 |
| 1959 | 62 | — | #1,364 |
| 1958 | 82 | — | #1,177 |
| 1957 | 94 | — | #1,078 |
| 1956 | 78 | — | #1,183 |
| 1955 | 76 | — | #1,149 |
| 1954 | 104 | — | #947 |
| 1953 | 105 | — | #922 |
| 1952 | 81 | — | #1,051 |
| 1951 | 99 | — | #923 |
| 1950 | 85 | — | #991 |
| 1949 | 80 | — | #1,010 |
| 1948 | 57 | — | #1,202 |
| 1947 | 41 | — | #1,475 |
| 1946 | 41 | — | #1,366 |
| 1945 | 32 | — | #1,433 |
| 1944 | 34 | — | #1,393 |
| 1943 | 26 | — | #1,684 |
| 1942 | 20 | — | #1,948 |
| 1941 | 20 | — | #1,845 |
| 1940 | 19 | — | #1,867 |
| 1939 | 8 | — | #3,287 |
| 1938 | 18 | — | #1,907 |
| 1937 | 18 | — | #1,877 |
| 1936 | 13 | — | #2,329 |
| 1935 | 16 | — | #2,052 |
| 1934 | 18 | — | #1,873 |
| 1933 | 14 | — | #2,217 |
| 1932 | 16 | — | #2,080 |
| 1931 | 23 | — | #1,615 |
| 1930 | 14 | — | #2,369 |
| 1929 | 27 | — | #1,504 |
| 1928 | 13 | — | #2,559 |
| 1927 | 13 | — | #2,623 |
| 1926 | 15 | — | #2,413 |
| 1925 | 24 | — | #1,771 |
| 1924 | 25 | — | #1,737 |
| 1923 | 30 | — | #1,504 |
| 1922 | 34 | — | #1,390 |
| 1921 | 28 | — | #1,595 |
| 1920 | 18 | — | #2,121 |
| 1919 | 22 | — | #1,778 |
| 1918 | 27 | — | #1,553 |
| 1917 | 25 | — | #1,534 |
| 1916 | 28 | — | #1,387 |
| 1915 | 23 | — | #1,546 |
| 1914 | 16 | — | #1,693 |
| 1913 | 12 | — | #1,828 |
| 1911 | 7 | — | #2,076 |
| 1910 | 6 | — | #2,284 |
| 1909 | 8 | — | #1,675 |
| 1908 | 7 | — | #1,761 |
| 1905 | 6 | — | #1,810 |
| 1904 | 5 | — | #2,021 |
| 1903 | 5 | — | #1,936 |
| 1902 | 5 | — | #1,915 |
| 1882 | 7 | — | #776 |