Gwyn is an uncommon name used for both girls and boys that peaked in 1962 and has since faded.
Gwyn is predominantly a girl name. In 2025 it ranked #9,681 for girl births in the United States (and #16,429 across all names), given to 10 babies. Gwyn was first reported in SSA data in 1915 and peaked in 1962 (129 births).
| Year | U.S. births | U.S. + territories | ♀ Rank | ♂ Rank |
|---|---|---|---|---|
| 2025 | 10 | 10 | #9,681 | — |
| 2024 | 12 | 12 | #8,629 | — |
| 2023 | 13 | 13 | #8,212 | — |
| 2022 | 10 | 10 | #9,955 | — |
| 2021 | 5 | 5 | #16,106 | — |
| 2020 | 8 | 8 | #11,457 | — |
| 2019 | 12 | 12 | #8,777 | — |
| 2018 | 9 | 9 | #10,866 | — |
| 2017 | 11 | 11 | #9,547 | — |
| 2016 | 11 | 11 | #9,645 | — |
| 2015 | 10 | 10 | #10,394 | — |
| 2014 | 9 | 9 | #11,315 | — |
| 2013 | 6 | 6 | #15,291 | — |
| 2011 | 7 | 7 | #13,861 | — |
| 2010 | 12 | 12 | #9,435 | — |
| 2009 | 9 | 9 | #11,815 | — |
| 2008 | 12 | 12 | #9,692 | — |
| 2007 | 10 | 10 | #11,118 | — |
| 2006 | 20 | 20 | #6,440 | — |
| 2005 | 11 | 11 | #9,686 | — |
| 2004 | 9 | 9 | #11,007 | — |
| 2003 | 17 | 17 | #6,698 | — |
| 2002 | 11 | 11 | #9,058 | — |
| 2001 | 8 | 8 | #11,373 | — |
| 1993 | 6 | — | #12,320 | — |
| 1992 | 5 | — | #14,040 | — |
| 1991 | 6 | — | #12,032 | — |
| 1990 | 5 | — | #13,741 | — |
| 1988 | 7 | — | #9,603 | — |
| 1986 | 5 | — | #11,555 | — |
| 1985 | 6 | — | #9,723 | — |
| 1984 | 5 | — | #10,987 | — |
| 1983 | 7 | — | #8,336 | — |
| 1982 | 9 | — | #7,077 | — |
| 1981 | 13 | — | #5,365 | — |
| 1980 | 14 | — | #5,064 | — |
| 1979 | 24 | — | #3,372 | — |
| 1978 | 21 | — | #4,326 | #6,152 |
| 1977 | 17 | — | #4,117 | — |
| 1976 | 24 | — | #3,036 | — |
| 1975 | 19 | — | #3,550 | — |
| 1974 | 19 | — | #3,472 | — |
| 1973 | 31 | — | #2,421 | — |
| 1972 | 26 | — | #2,700 | — |
| 1971 | 39 | — | #2,122 | — |
| 1970 | 54 | — | #1,866 | #3,999 |
| 1969 | 33 | — | #2,224 | — |
| 1968 | 38 | — | #1,950 | — |
| 1967 | 29 | — | #2,230 | — |
| 1966 | 45 | — | #1,834 | #3,684 |
| 1965 | 45 | — | #1,677 | — |
| 1964 | 86 | — | #1,192 | — |
| 1963 | 109 | — | #1,068 | #3,445 |
| 1962 | 135 | — | #935 | #3,792 |
| 1961 | 125 | — | #965 | — |
| 1960 | 105 | — | #1,077 | #4,268 |
| 1959 | 79 | — | #1,266 | #3,403 |
| 1958 | 40 | — | #1,918 | #3,383 |
| 1957 | 44 | — | #1,631 | — |
| 1956 | 28 | — | #2,066 | — |
| 1955 | 53 | — | #1,485 | #3,662 |
| 1954 | 63 | — | #1,251 | — |
| 1953 | 46 | — | #1,571 | #3,243 |
| 1952 | 51 | — | #1,446 | #3,514 |
| 1951 | 47 | — | #1,470 | #3,511 |
| 1950 | 31 | — | #1,693 | — |
| 1949 | 57 | — | #1,344 | #2,514 |
| 1948 | 36 | — | #1,720 | #3,455 |
| 1947 | 38 | — | #1,734 | #3,198 |
| 1946 | 17 | — | #2,342 | — |
| 1945 | 21 | — | #2,269 | #3,134 |
| 1944 | 23 | — | #2,552 | #2,371 |
| 1943 | 24 | — | #2,185 | #3,069 |
| 1942 | 14 | — | #2,469 | — |
| 1941 | 21 | — | #2,581 | #2,551 |
| 1940 | 21 | — | #2,477 | #2,561 |
| 1939 | 23 | — | #2,480 | #2,221 |
| 1938 | 19 | — | #2,803 | #2,549 |
| 1937 | 21 | — | #2,039 | #3,741 |
| 1936 | 18 | — | #2,430 | #3,316 |
| 1935 | 22 | — | #2,813 | #2,175 |
| 1934 | 9 | — | #3,011 | — |
| 1933 | 20 | — | #2,980 | #2,276 |
| 1932 | 15 | — | #3,405 | #3,209 |
| 1931 | 8 | — | — | #2,950 |
| 1930 | 17 | — | #3,476 | #2,866 |
| 1929 | 17 | — | #3,017 | #3,372 |
| 1928 | 8 | — | #3,568 | — |
| 1927 | 12 | — | #4,514 | #3,945 |
| 1926 | 5 | — | — | #4,470 |
| 1925 | 13 | — | #4,188 | #3,918 |
| 1924 | 11 | — | — | #2,723 |
| 1923 | 13 | — | #4,631 | #3,615 |
| 1922 | 5 | — | #5,327 | — |
| 1920 | 8 | — | — | #3,331 |
| 1919 | 9 | — | — | #2,971 |
| 1918 | 12 | — | — | #2,454 |
| 1916 | 5 | — | — | #4,163 |
| 1915 | 6 | — | — | #3,577 |