Alanson is a very rare boys' name that was most common in the 1920s and has all but disappeared.
Alanson is a boy name. It last appears in U.S. records in 1993. Alanson first appears in 1912 and peaked in 1927 (12 births).
| Year | U.S. births | U.S. + territories | Rank |
|---|---|---|---|
| 1993 | 5 | — | #8,727 |
| 1986 | 5 | — | #6,743 |
| 1977 | 5 | — | #5,863 |
| 1959 | 5 | — | #3,995 |
| 1955 | 6 | — | #3,510 |
| 1954 | 7 | — | #3,179 |
| 1953 | 5 | — | #3,809 |
| 1951 | 9 | — | #2,665 |
| 1950 | 5 | — | #3,694 |
| 1948 | 5 | — | #3,678 |
| 1946 | 8 | — | #2,692 |
| 1944 | 5 | — | #3,436 |
| 1940 | 6 | — | #3,135 |
| 1929 | 6 | — | #3,564 |
| 1927 | 12 | — | #2,410 |
| 1926 | 5 | — | #4,208 |
| 1925 | 7 | — | #3,418 |
| 1924 | 7 | — | #3,509 |
| 1923 | 8 | — | #3,179 |
| 1922 | 10 | — | #2,801 |
| 1921 | 7 | — | #3,526 |
| 1920 | 6 | — | #3,819 |
| 1919 | 6 | — | #3,739 |
| 1918 | 8 | — | #3,100 |
| 1916 | 7 | — | #3,180 |
| 1915 | 9 | — | #2,622 |
| 1914 | 6 | — | #2,920 |
| 1912 | 5 | — | #2,549 |