Alphus is a very rare boys' name that was most common in the 1920s and has all but disappeared.
Alphus is a boy name. It last appears in U.S. records in 1952. Alphus was first reported in SSA data in 1916 and peaked in 1921 (9 births).
| Year | U.S. births | U.S. + territories | Rank |
|---|---|---|---|
| 1952 | 6 | — | #3,383 |
| 1942 | 5 | — | #3,579 |
| 1940 | 5 | — | #3,470 |
| 1938 | 7 | — | #2,873 |
| 1937 | 6 | — | #3,182 |
| 1935 | 7 | — | #2,958 |
| 1933 | 7 | — | #3,011 |
| 1932 | 5 | — | #3,789 |
| 1931 | 6 | — | #3,397 |
| 1930 | 7 | — | #3,298 |
| 1928 | 7 | — | #3,364 |
| 1924 | 8 | — | #3,269 |
| 1922 | 9 | — | #3,023 |
| 1921 | 9 | — | #2,990 |
| 1920 | 8 | — | #3,219 |
| 1918 | 5 | — | #4,199 |
| 1917 | 6 | — | #3,557 |
| 1916 | 8 | — | #2,933 |