The baby name Cynthia appears in baby name data for the United States from 1910 to 2024. It was most popular in 1957 with 46,643 babies given the name.
In the later years of this period, Cynthia has become more popular compared with earlier years.
| Year | Count |
|---|---|
| 1910 | 61 |
| 1911 | 82 |
| 1912 | 155 |
| 1913 | 153 |
| 1914 | 189 |
| 1915 | 226 |
| 1916 | 240 |
| 1917 | 260 |
| 1918 | 306 |
| 1919 | 279 |
| 1920 | 306 |
| 1921 | 300 |
| 1922 | 293 |
| 1923 | 322 |
| 1924 | 406 |
| 1925 | 473 |
| 1926 | 531 |
| 1927 | 634 |
| 1928 | 647 |
| 1929 | 677 |
| 1930 | 873 |
| 1931 | 768 |
| 1932 | 797 |
| 1933 | 930 |
| 1934 | 1,233 |
| 1935 | 1,254 |
| 1936 | 1,163 |
| 1937 | 1,394 |
| 1938 | 1,594 |
| 1939 | 1,717 |
| 1940 | 2,242 |
| 1941 | 2,692 |
| 1942 | 2,951 |
| 1943 | 3,636 |
| 1944 | 2,808 |
| 1945 | 3,396 |
| 1946 | 7,607 |
| 1947 | 12,381 |
| 1948 | 14,331 |
| 1949 | 15,041 |
| 1950 | 17,919 |
| 1950 | 10 |
| 1951 | 21,324 |
| 1952 | 26,400 |
| 1953 | 32,436 |
| 1954 | 34,095 |
| 1955 | 33,164 |
| 1956 | 40,097 |
| 1956 | 15 |
| 1957 | 46,643 |
| 1957 | 39 |
| 1958 | 38,508 |
| 1958 | 37 |
| 1959 | 37,829 |
| 1959 | 26 |
| 1960 | 34,216 |
| 1960 | 7 |
| 1961 | 31,687 |
| 1961 | 37 |
| 1962 | 32,281 |
| 1962 | 19 |
| 1963 | 23,492 |
| 1963 | 11 |
| 1964 | 23,388 |
| 1964 | 10 |
| 1965 | 22,035 |
| 1965 | 33 |
| 1966 | 19,901 |
| 1966 | 19 |
| 1967 | 17,640 |
| 1967 | 26 |
| 1968 | 17,203 |
| 1968 | 15 |
| 1969 | 16,267 |
| 1969 | 12 |
| 1970 | 15,203 |
| 1970 | 21 |
| 1971 | 14,420 |
| 1971 | 5 |
| 1972 | 11,768 |
| 1972 | 9 |
| 1973 | 9,790 |
| 1974 | 8,426 |
| 1975 | 7,201 |
| 1976 | 6,692 |
| 1977 | 6,641 |
| 1978 | 6,311 |
| 1979 | 5,500 |
| 1979 | 6 |
| 1980 | 5,109 |
| 1980 | 6 |
| 1981 | 4,907 |
| 1981 | 5 |
| 1982 | 4,477 |
| 1982 | 5 |
| 1983 | 4,078 |
| 1983 | 5 |
| 1984 | 4,314 |
| 1984 | 6 |
| 1985 | 3,722 |
| 1985 | 6 |
| 1986 | 3,638 |
| 1987 | 3,635 |
| 1987 | 9 |
| 1988 | 3,818 |
| 1989 | 3,773 |
| 1989 | 16 |
| 1990 | 2,585 |
| 1990 | 6 |
| 1991 | 3,108 |
| 1992 | 2,645 |
| 1993 | 2,462 |
| 1994 | 2,422 |
| 1995 | 2,174 |
| 1996 | 2,538 |
| 1997 | 2,300 |
| 1998 | 2,380 |
| 1999 | 1,624 |
| 2000 | 1,435 |
| 2001 | 1,416 |
| 2002 | 1,280 |
| 2003 | 1,279 |
| 2004 | 1,658 |
| 2005 | 1,720 |
| 2006 | 1,365 |
| 2007 | 1,269 |
| 2008 | 1,046 |
| 2009 | 762 |
| 2010 | 694 |
| 2011 | 713 |
| 2012 | 739 |
| 2013 | 557 |
| 2014 | 513 |
| 2015 | 594 |
| 2016 | 563 |
| 2017 | 444 |
| 2018 | 347 |
| 2019 | 348 |
| 2020 | 262 |
| 2021 | 336 |
| 2022 | 322 |
| 2023 | 293 |
| 2024 | 321 |