Is Cynthia a boy or girl name?
Cynthia is a girl name in the US. In 2024, 331 girls and 0 boys were named Cynthia, so 100% were girls. Across 1880–2024, 99.7% of the 713,161 US babies named Cynthia were girls.
- Boy rank, 2024
- Not ranked
- Girl rank, 2024
- #826
- Babies named Cynthia since 1880
- 713,161
- Most popular year
- 1957
- 39,416 babies
Boys and girls named Cynthia, by decade
| Decade | Boys | Girls | Share girls |
|---|---|---|---|
| 1880s | 0 | 582 | 100% |
| 1890s | 0 | 701 | 100% |
| 1900s | 0 | 694 | 100% |
| 1910s | 0 | 1,911 | 100% |
| 1920s | 0 | 3,661 | 100% |
| 1930s | 29 | 9,666 | 99.7% |
| 1940s | 146 | 58,060 | 99.7% |
| 1950s | 461 | 263,429 | 99.8% |
| 1960s | 553 | 196,596 | 99.7% |
| 1970s | 333 | 80,200 | 99.6% |
| 1980s | 269 | 41,667 | 99.4% |
| 1990s | 158 | 31,312 | 99.5% |
| 2000s | 11 | 15,170 | 99.9% |
| 2010s | 0 | 5,945 | 100% |
| 2020s | 0 | 1,607 | 100% |
Every year
| Year | Boys | Boy rank | Girls | Girl rank |
|---|---|---|---|---|
| 2024 | 0 | – | 331 | #826 |
| 2023 | 0 | – | 308 | #871 |
| 2022 | 0 | – | 314 | #888 |
| 2021 | 0 | – | 346 | #806 |
| 2020 | 0 | – | 308 | #873 |
| 2019 | 0 | – | 378 | #748 |
| 2018 | 0 | – | 419 | #692 |
| 2017 | 0 | – | 462 | #636 |
| 2016 | 0 | – | 552 | #563 |
| 2015 | 0 | – | 580 | #540 |
| 2014 | 0 | – | 635 | #492 |
| 2013 | 0 | – | 601 | #500 |
| 2012 | 0 | – | 750 | #419 |
| 2011 | 0 | – | 733 | #428 |
| 2010 | 0 | – | 835 | #381 |
| 2009 | 0 | – | 893 | #361 |
| 2008 | 0 | – | 1,076 | #310 |
| 2007 | 0 | – | 1,232 | #279 |
| 2006 | 0 | – | 1,420 | #239 |
| 2005 | 0 | – | 1,574 | #221 |
| 2004 | 0 | – | 1,521 | #222 |
| 2003 | 5 | #11,224 | 1,662 | #199 |
| 2002 | 6 | #9,608 | 1,833 | #176 |
| 2001 | 0 | – | 1,921 | #169 |
| 2000 | 0 | – | 2,038 | #164 |
| 1999 | 7 | #8,024 | 2,225 | #145 |
| 1998 | 7 | #7,718 | 2,631 | #127 |
| 1997 | 10 | #5,724 | 2,714 | #117 |
| 1996 | 8 | #6,622 | 3,189 | #101 |
| 1995 | 12 | #4,854 | 2,957 | #113 |
| 1994 | 25 | #2,866 | 3,161 | #105 |
| 1993 | 20 | #3,270 | 3,383 | #95 |
| 1992 | 22 | #3,026 | 3,548 | #92 |
| 1991 | 21 | #3,016 | 3,707 | #93 |
| 1990 | 26 | #2,562 | 3,797 | #88 |
| 1989 | 41 | #1,834 | 3,778 | #84 |
| 1988 | 25 | #2,382 | 3,784 | #79 |
| 1987 | 30 | #2,025 | 3,392 | #84 |
| 1986 | 24 | #2,309 | 3,422 | #81 |
| 1985 | 30 | #1,922 | 4,130 | #66 |
| 1984 | 30 | #1,851 | 4,622 | #62 |
| 1983 | 29 | #1,869 | 4,553 | #62 |
| 1982 | 22 | #2,284 | 4,427 | #64 |
| 1981 | 17 | #2,697 | 4,859 | #59 |
| 1980 | 21 | #2,380 | 4,700 | #64 |
| 1979 | 28 | #1,909 | 4,932 | #55 |
| 1978 | 23 | #2,082 | 5,403 | #50 |
| 1977 | 23 | #2,074 | 5,782 | #48 |
| 1976 | 32 | #1,651 | 6,012 | #44 |
| 1975 | 36 | #1,481 | 6,539 | #40 |
| 1974 | 26 | #1,800 | 7,558 | #33 |
| 1973 | 34 | #1,468 | 8,744 | #26 |
| 1972 | 38 | #1,366 | 10,173 | #26 |
| 1971 | 40 | #1,333 | 12,144 | #24 |
| 1970 | 53 | #1,134 | 12,913 | #25 |
| 1969 | 50 | #1,100 | 13,516 | #23 |
| 1968 | 39 | #1,222 | 14,051 | #19 |
| 1967 | 54 | #986 | 15,341 | #18 |
| 1966 | 62 | #927 | 17,417 | #11 |
| 1965 | 61 | #943 | 19,242 | #9 |
| 1964 | 55 | #1,017 | 20,319 | #9 |
| 1963 | 51 | #1,071 | 21,585 | #10 |
| 1962 | 57 | #1,016 | 24,024 | #8 |
| 1961 | 56 | #1,043 | 24,389 | #8 |
| 1960 | 68 | #917 | 26,712 | #9 |
| 1959 | 65 | #956 | 30,185 | #8 |
| 1958 | 64 | #951 | 31,013 | #8 |
| 1957 | 76 | #864 | 39,340 | #7 |
| 1956 | 61 | #957 | 32,339 | #8 |
| 1955 | 48 | #1,086 | 27,178 | #11 |
| 1954 | 34 | #1,295 | 27,615 | #10 |
| 1953 | 31 | #1,361 | 25,138 | #12 |
| 1952 | 27 | #1,465 | 19,879 | #18 |
| 1951 | 25 | #1,494 | 16,295 | #20 |
| 1950 | 30 | #1,320 | 14,447 | #23 |
| 1949 | 20 | #1,677 | 12,900 | #27 |
| 1948 | 23 | #1,527 | 12,240 | #27 |
| 1947 | 26 | #1,456 | 10,530 | #33 |
| 1946 | 19 | #1,650 | 6,895 | #46 |
| 1945 | 12 | #2,032 | 3,127 | #90 |
| 1944 | 5 | #3,527 | 2,570 | #105 |
| 1943 | 9 | #2,598 | 2,894 | #101 |
| 1942 | 15 | #1,880 | 2,726 | #101 |
| 1941 | 5 | #3,610 | 2,296 | #112 |
| 1940 | 12 | #2,103 | 1,882 | #133 |
| 1939 | 0 | – | 1,490 | #152 |
| 1938 | 0 | – | 1,364 | #160 |
| 1937 | 7 | #2,965 | 1,181 | #170 |
| 1936 | 0 | – | 983 | #184 |
| 1935 | 9 | #2,572 | 990 | #179 |
| 1934 | 8 | #2,786 | 1,021 | #179 |
| 1933 | 5 | #3,757 | 772 | #218 |
| 1932 | 0 | – | 637 | #244 |
| 1931 | 0 | – | 632 | #238 |
| 1930 | 0 | – | 596 | #256 |
| 1929 | 0 | – | 487 | #297 |
| 1928 | 0 | – | 472 | #305 |
| 1927 | 0 | – | 432 | #324 |
| 1926 | 0 | – | 392 | #334 |
| 1925 | 0 | – | 340 | #371 |
| 1924 | 0 | – | 366 | #358 |
| 1923 | 0 | – | 310 | #378 |
| 1922 | 0 | – | 282 | #389 |
| 1921 | 0 | – | 295 | #389 |
| 1920 | 0 | – | 285 | #388 |
| 1919 | 0 | – | 264 | #396 |
| 1918 | 0 | – | 271 | #398 |
| 1917 | 0 | – | 240 | #407 |
| 1916 | 0 | – | 224 | #418 |
| 1915 | 0 | – | 216 | #405 |
| 1914 | 0 | – | 183 | #391 |
| 1913 | 0 | – | 165 | #374 |
| 1912 | 0 | – | 157 | #367 |
| 1911 | 0 | – | 105 | #392 |
| 1910 | 0 | – | 86 | #428 |
| 1909 | 0 | – | 76 | #421 |
| 1908 | 0 | – | 56 | #480 |
| 1907 | 0 | – | 80 | #395 |
| 1906 | 0 | – | 77 | #392 |
| 1905 | 0 | – | 63 | #427 |
| 1904 | 0 | – | 60 | #419 |
| 1903 | 0 | – | 65 | #394 |
| 1902 | 0 | – | 63 | #391 |
| 1901 | 0 | – | 67 | #368 |
| 1900 | 0 | – | 87 | #360 |
| 1899 | 0 | – | 71 | #352 |
| 1898 | 0 | – | 72 | #368 |
| 1897 | 0 | – | 80 | #328 |
| 1896 | 0 | – | 63 | #365 |
| 1895 | 0 | – | 58 | #371 |
| 1894 | 0 | – | 58 | #368 |
| 1893 | 0 | – | 73 | #315 |
| 1892 | 0 | – | 80 | #305 |
| 1891 | 0 | – | 67 | #306 |
| 1890 | 0 | – | 79 | #282 |
| 1889 | 0 | – | 76 | #273 |
| 1888 | 0 | – | 58 | #314 |
| 1887 | 0 | – | 55 | #287 |
| 1886 | 0 | – | 56 | #277 |
| 1885 | 0 | – | 59 | #259 |
| 1884 | 0 | – | 59 | #253 |
| 1883 | 0 | – | 66 | #219 |
| 1882 | 0 | – | 45 | #259 |
| 1881 | 0 | – | 47 | #227 |
| 1880 | 0 | – | 61 | #197 |
Highest rank
As a boy name, Cynthia reached #864 in 1957. As a girl name, it reached #7 in 1957. Ranks count every name SSA published for that year and sex, so they go well past the top 1,000.
Names from the same era
These names were also most popular in the 1950s, with a similar number of babies. They can work as sibling or middle names that feel like they belong together.
Names spelled like Cynthia
Source: US Social Security Administration baby name data, 1880–2024. Counts are Social Security card applications for US births; SSA leaves out names given to fewer than 5 babies in a year. Updated 2026-10-05. How these numbers are made.