The baby name Allyn appears in baby name data for the United States from 1920 to 2006. It was most popular in 1951 with 52 babies given the name.
Over the period shown, Allyn has stayed at a similar level of popularity.
| Year | Count |
|---|---|
| 1920 | 5 |
| 1922 | 5 |
| 1924 | 23 |
| 1927 | 12 |
| 1928 | 5 |
| 1929 | 6 |
| 1930 | 6 |
| 1931 | 15 |
| 1931 | 17 |
| 1932 | 6 |
| 1933 | 8 |
| 1934 | 5 |
| 1935 | 7 |
| 1936 | 7 |
| 1937 | 28 |
| 1938 | 7 |
| 1939 | 5 |
| 1940 | 20 |
| 1941 | 10 |
| 1942 | 44 |
| 1943 | 38 |
| 1944 | 41 |
| 1945 | 5 |
| 1946 | 38 |
| 1947 | 48 |
| 1948 | 23 |
| 1949 | 5 |
| 1949 | 11 |
| 1950 | 16 |
| 1950 | 17 |
| 1951 | 52 |
| 1951 | 7 |
| 1952 | 17 |
| 1952 | 25 |
| 1953 | 21 |
| 1953 | 24 |
| 1954 | 17 |
| 1954 | 11 |
| 1955 | 10 |
| 1955 | 7 |
| 1956 | 5 |
| 1956 | 12 |
| 1958 | 15 |
| 1959 | 5 |
| 1960 | 6 |
| 1961 | 5 |
| 1962 | 10 |
| 1963 | 6 |
| 1964 | 8 |
| 1965 | 5 |
| 1966 | 11 |
| 1990 | 5 |
| 2004 | 15 |
| 2006 | 6 |