Allyn is an uncommon variant of Alan that peaked in 1951 and has since faded.
Allyn is predominantly a boy name. It last appears in U.S. records in 2025. Allyn was first reported in SSA data in 1908 and peaked in 1946 (71 births).
| Year | U.S. births | U.S. + territories | ♀ Rank | ♂ Rank |
|---|---|---|---|---|
| 2025 | 7 | 7 | #12,001 | — |
| 2024 | 15 | 15 | #12,237 | #9,027 |
| 2023 | 14 | 14 | #10,365 | #12,336 |
| 2022 | 15 | 15 | #9,710 | #12,446 |
| 2021 | 10 | 10 | #9,605 | — |
| 2020 | 10 | 10 | #9,590 | — |
| 2019 | 17 | 17 | #12,522 | #7,674 |
| 2018 | 10 | 10 | #9,859 | — |
| 2017 | 13 | 13 | #14,250 | #9,742 |
| 2016 | 23 | 23 | #8,915 | #7,168 |
| 2015 | 28 | 28 | #6,041 | #9,621 |
| 2014 | 26 | 26 | #6,731 | #8,820 |
| 2013 | 33 | 33 | #6,479 | #5,935 |
| 2012 | 35 | 35 | #5,264 | #8,187 |
| 2011 | 27 | 27 | #5,949 | #12,370 |
| 2010 | 23 | 23 | #9,260 | #7,101 |
| 2009 | 30 | 30 | #8,081 | #5,812 |
| 2008 | 24 | 24 | #7,095 | #11,102 |
| 2007 | 30 | 30 | #7,107 | #6,638 |
| 2006 | 36 | 36 | #5,920 | #5,800 |
| 2005 | 32 | 32 | #6,837 | #5,293 |
| 2004 | 34 | 34 | #5,216 | #6,996 |
| 2003 | 23 | 23 | #6,903 | #8,691 |
| 2002 | 27 | 27 | #6,711 | #6,103 |
| 2001 | 43 | 43 | #4,451 | #4,686 |
| 2000 | 32 | 32 | #5,156 | #6,334 |
| 1999 | 45 | 45 | #3,810 | #4,770 |
| 1998 | 47 | 47 | #3,837 | #4,025 |
| 1997 | 38 | — | #5,430 | #3,457 |
| 1996 | 29 | — | #5,293 | #5,200 |
| 1995 | 37 | — | #4,529 | #4,060 |
| 1994 | 40 | — | #4,247 | #3,917 |
| 1993 | 56 | — | #3,294 | #3,048 |
| 1992 | 65 | — | #2,872 | #2,836 |
| 1991 | 56 | — | #3,099 | #3,106 |
| 1990 | 69 | — | #2,961 | #2,257 |
| 1989 | 53 | — | #3,255 | #2,908 |
| 1988 | 68 | — | #2,870 | #1,989 |
| 1987 | 50 | — | #3,626 | #2,216 |
| 1986 | 44 | — | #4,033 | #2,291 |
| 1985 | 58 | — | #3,249 | #1,867 |
| 1984 | 40 | — | #4,167 | #2,293 |
| 1983 | 47 | — | #3,812 | #1,956 |
| 1982 | 49 | — | #4,531 | #1,735 |
| 1981 | 55 | — | #4,165 | #1,602 |
| 1980 | 43 | — | #4,152 | #2,113 |
| 1979 | 27 | — | #6,200 | #2,671 |
| 1978 | 42 | — | #3,926 | #2,014 |
| 1977 | 44 | — | #4,069 | #1,858 |
| 1976 | 16 | — | — | #2,605 |
| 1975 | 29 | — | #5,993 | #2,207 |
| 1974 | 29 | — | #4,043 | #2,677 |
| 1973 | 31 | — | #6,681 | #1,818 |
| 1972 | 37 | — | #3,899 | #1,929 |
| 1971 | 47 | — | #3,949 | #1,526 |
| 1970 | 32 | — | #7,087 | #1,700 |
| 1969 | 47 | — | #4,200 | #1,351 |
| 1968 | 41 | — | #3,458 | #1,546 |
| 1967 | 53 | — | #2,494 | #1,411 |
| 1966 | 60 | — | #2,669 | #1,194 |
| 1965 | 58 | — | #2,684 | #1,254 |
| 1964 | 64 | — | #2,478 | #1,236 |
| 1963 | 67 | — | #2,308 | #1,228 |
| 1962 | 78 | — | #2,211 | #1,091 |
| 1961 | 76 | — | #1,955 | #1,233 |
| 1960 | 67 | — | #2,247 | #1,242 |
| 1959 | 58 | — | #2,871 | #1,212 |
| 1958 | 57 | — | #2,973 | #1,204 |
| 1957 | 61 | — | #2,657 | #1,200 |
| 1956 | 73 | — | #2,533 | #1,033 |
| 1955 | 98 | — | #1,667 | #972 |
| 1954 | 92 | — | #1,677 | #1,007 |
| 1953 | 98 | — | #1,345 | #1,074 |
| 1952 | 111 | — | #1,226 | #1,002 |
| 1951 | 152 | — | #988 | #882 |
| 1950 | 113 | — | #1,145 | #1,006 |
| 1949 | 78 | — | #1,666 | #1,029 |
| 1948 | 67 | — | #2,591 | #963 |
| 1947 | 87 | — | #2,533 | #822 |
| 1946 | 98 | — | #1,724 | #785 |
| 1945 | 55 | — | #2,606 | #971 |
| 1944 | 71 | — | #2,405 | #832 |
| 1943 | 68 | — | #2,866 | #885 |
| 1942 | 76 | — | #3,452 | #780 |
| 1941 | 60 | — | #2,533 | #918 |
| 1940 | 51 | — | #4,367 | #939 |
| 1939 | 53 | — | #3,438 | #916 |
| 1938 | 46 | — | #3,857 | #1,009 |
| 1937 | 52 | — | #4,267 | #906 |
| 1936 | 43 | — | #4,197 | #1,028 |
| 1935 | 45 | — | — | #942 |
| 1934 | 39 | — | — | #1,039 |
| 1933 | 41 | — | — | #996 |
| 1932 | 41 | — | #3,907 | #1,142 |
| 1931 | 62 | — | #3,862 | #841 |
| 1930 | 47 | — | #4,565 | #1,069 |
| 1929 | 27 | — | — | #1,379 |
| 1928 | 31 | — | — | #1,294 |
| 1927 | 33 | — | — | #1,267 |
| 1926 | 27 | — | #4,866 | #1,605 |
| 1925 | 36 | — | #2,946 | #1,494 |
| 1924 | 47 | — | #5,098 | #1,108 |
| 1923 | 34 | — | #3,984 | #1,423 |
| 1922 | 26 | — | — | #1,471 |
| 1921 | 27 | — | #5,121 | #1,649 |
| 1920 | 24 | — | — | #1,543 |
| 1919 | 25 | — | — | #1,450 |
| 1918 | 42 | — | #3,880 | #1,172 |
| 1917 | 24 | — | — | #1,438 |
| 1916 | 27 | — | — | #1,304 |
| 1915 | 9 | — | — | #2,627 |
| 1914 | 19 | — | — | #1,389 |
| 1913 | 12 | — | — | #1,583 |
| 1912 | 8 | — | — | #1,890 |
| 1911 | 5 | — | — | #1,744 |
| 1910 | 5 | — | — | #1,594 |
| 1908 | 6 | — | — | #1,221 |