The baby name Katharine appears in baby name data for the United States from 1910 to 2021. It was most popular in 1982 with 1,007 babies given the name.
In the later years of this period, Katharine has become less common than it once was.
| Year | Count |
|---|---|
| 1910 | 123 |
| 1911 | 105 |
| 1912 | 250 |
| 1913 | 227 |
| 1914 | 286 |
| 1915 | 371 |
| 1916 | 372 |
| 1917 | 385 |
| 1918 | 388 |
| 1919 | 337 |
| 1920 | 322 |
| 1921 | 251 |
| 1922 | 270 |
| 1923 | 252 |
| 1924 | 246 |
| 1925 | 213 |
| 1926 | 230 |
| 1927 | 258 |
| 1928 | 232 |
| 1929 | 221 |
| 1930 | 217 |
| 1931 | 120 |
| 1932 | 131 |
| 1933 | 121 |
| 1934 | 115 |
| 1935 | 119 |
| 1936 | 133 |
| 1937 | 76 |
| 1938 | 123 |
| 1939 | 126 |
| 1940 | 98 |
| 1941 | 172 |
| 1942 | 202 |
| 1943 | 279 |
| 1944 | 199 |
| 1945 | 235 |
| 1946 | 260 |
| 1947 | 303 |
| 1948 | 279 |
| 1949 | 326 |
| 1950 | 380 |
| 1951 | 355 |
| 1952 | 358 |
| 1953 | 329 |
| 1954 | 287 |
| 1955 | 409 |
| 1956 | 406 |
| 1957 | 450 |
| 1958 | 432 |
| 1959 | 401 |
| 1960 | 326 |
| 1961 | 315 |
| 1962 | 219 |
| 1963 | 270 |
| 1964 | 248 |
| 1965 | 217 |
| 1966 | 248 |
| 1967 | 220 |
| 1968 | 334 |
| 1969 | 355 |
| 1970 | 379 |
| 1971 | 303 |
| 1972 | 240 |
| 1973 | 209 |
| 1974 | 314 |
| 1975 | 320 |
| 1976 | 345 |
| 1977 | 465 |
| 1978 | 431 |
| 1979 | 697 |
| 1980 | 635 |
| 1981 | 774 |
| 1982 | 1,007 |
| 1983 | 893 |
| 1984 | 880 |
| 1985 | 966 |
| 1986 | 1,005 |
| 1987 | 798 |
| 1988 | 821 |
| 1989 | 647 |
| 1990 | 630 |
| 1991 | 768 |
| 1992 | 732 |
| 1993 | 692 |
| 1994 | 537 |
| 1995 | 409 |
| 1996 | 418 |
| 1997 | 422 |
| 1998 | 470 |
| 1999 | 290 |
| 2000 | 333 |
| 2001 | 307 |
| 2002 | 219 |
| 2003 | 335 |
| 2004 | 327 |
| 2005 | 315 |
| 2006 | 288 |
| 2007 | 242 |
| 2008 | 142 |
| 2009 | 95 |
| 2010 | 56 |
| 2011 | 54 |
| 2012 | 47 |
| 2013 | 59 |
| 2014 | 5 |
| 2015 | 30 |
| 2016 | 24 |
| 2017 | 21 |
| 2018 | 8 |
| 2019 | 20 |
| 2020 | 17 |
| 2021 | 5 |