Gaylen is an uncommon variant of Galen that was most common in the 1940s and has all but disappeared.
Gaylen is predominantly a boy name. It last appears in U.S. records in 2005. Gaylen was first reported in SSA data in 1915 and peaked in 1949 (94 births).
| Year | U.S. births | U.S. + territories | ♀ Rank | ♂ Rank |
|---|---|---|---|---|
| 2005 | 5 | 5 | — | #12,031 |
| 2003 | 5 | 5 | — | #11,474 |
| 1998 | 10 | 10 | #14,931 | #10,157 |
| 1997 | 5 | — | — | #9,767 |
| 1996 | 14 | — | #9,049 | #9,501 |
| 1995 | 6 | — | #12,287 | — |
| 1994 | 15 | — | #9,075 | #8,114 |
| 1992 | 13 | — | #9,789 | #8,883 |
| 1991 | 7 | — | — | #6,777 |
| 1990 | 5 | — | — | #8,575 |
| 1988 | 6 | — | — | #6,700 |
| 1986 | 6 | — | — | #6,205 |
| 1985 | 10 | — | #11,218 | #6,906 |
| 1984 | 10 | — | — | #4,018 |
| 1983 | 16 | — | #7,525 | #4,644 |
| 1982 | 5 | — | — | #6,695 |
| 1981 | 11 | — | #9,472 | #6,616 |
| 1980 | 7 | — | — | #5,127 |
| 1979 | 13 | — | — | #3,231 |
| 1978 | 11 | — | — | #3,481 |
| 1977 | 8 | — | — | #4,317 |
| 1976 | 18 | — | — | #2,452 |
| 1975 | 21 | — | — | #2,157 |
| 1974 | 29 | — | #6,431 | #2,074 |
| 1973 | 11 | — | — | #3,086 |
| 1972 | 19 | — | — | #2,107 |
| 1971 | 11 | — | — | #3,033 |
| 1970 | 32 | — | #7,361 | #1,723 |
| 1969 | 29 | — | #6,900 | #1,743 |
| 1968 | 26 | — | #5,831 | #1,860 |
| 1967 | 21 | — | — | #1,729 |
| 1966 | 29 | — | #6,036 | #1,629 |
| 1965 | 35 | — | #6,848 | #1,417 |
| 1964 | 37 | — | #7,099 | #1,390 |
| 1963 | 29 | — | — | #1,466 |
| 1962 | 44 | — | — | #1,179 |
| 1961 | 48 | — | #3,851 | #1,333 |
| 1960 | 53 | — | #3,261 | #1,278 |
| 1959 | 57 | — | #3,499 | #1,175 |
| 1958 | 55 | — | #3,280 | #1,213 |
| 1957 | 58 | — | #4,021 | #1,105 |
| 1956 | 65 | — | #3,098 | #1,074 |
| 1955 | 68 | — | #3,136 | #1,027 |
| 1954 | 67 | — | #4,072 | #980 |
| 1953 | 63 | — | #5,968 | #941 |
| 1952 | 80 | — | #3,263 | #849 |
| 1951 | 84 | — | #2,415 | #860 |
| 1950 | 91 | — | #3,509 | #764 |
| 1949 | 104 | — | #3,464 | #710 |
| 1948 | 79 | — | #2,363 | #875 |
| 1947 | 68 | — | #3,121 | #946 |
| 1946 | 50 | — | #3,781 | #1,063 |
| 1945 | 48 | — | #2,513 | #1,109 |
| 1944 | 53 | — | #2,828 | #1,010 |
| 1943 | 52 | — | #2,477 | #1,112 |
| 1942 | 36 | — | #3,063 | #1,368 |
| 1941 | 42 | — | — | #995 |
| 1940 | 30 | — | — | #1,237 |
| 1939 | 38 | — | — | #1,040 |
| 1938 | 34 | — | #4,011 | #1,257 |
| 1937 | 41 | — | — | #994 |
| 1936 | 28 | — | — | #1,255 |
| 1935 | 35 | — | — | #1,108 |
| 1934 | 21 | — | — | #1,525 |
| 1933 | 24 | — | — | #1,375 |
| 1932 | 25 | — | — | #1,401 |
| 1931 | 15 | — | — | #1,962 |
| 1930 | 17 | — | — | #1,850 |
| 1929 | 23 | — | — | #1,539 |
| 1928 | 11 | — | — | #2,561 |
| 1927 | 18 | — | — | #1,903 |
| 1926 | 15 | — | — | #2,119 |
| 1925 | 14 | — | — | #2,237 |
| 1924 | 13 | — | — | #2,395 |
| 1923 | 6 | — | — | #3,974 |
| 1922 | 8 | — | — | #3,357 |
| 1921 | 12 | — | — | #2,542 |
| 1920 | 10 | — | — | #2,846 |
| 1919 | 9 | — | — | #2,959 |
| 1918 | 11 | — | — | #2,603 |
| 1917 | 9 | — | — | #2,820 |
| 1915 | 6 | — | — | #3,566 |