Alphonsa is a very rare variant of Alphonso that was most common in the 1960s and has all but disappeared.
Alphonsa is a boy name. It last appears in U.S. records in 1991. Alphonsa was first reported in SSA data in 1911 and peaked in 1961 (12 births).
| Year | U.S. births | U.S. + territories | Rank |
|---|---|---|---|
| 1991 | 6 | — | #7,305 |
| 1987 | 5 | — | #6,989 |
| 1973 | 5 | — | #5,120 |
| 1971 | 5 | — | #4,932 |
| 1967 | 7 | — | #3,238 |
| 1964 | 6 | — | #3,609 |
| 1962 | 12 | — | #2,366 |
| 1961 | 12 | — | #2,417 |
| 1960 | 5 | — | #4,048 |
| 1958 | 6 | — | #3,566 |
| 1957 | 10 | — | #2,637 |
| 1956 | 8 | — | #2,978 |
| 1955 | 11 | — | #2,439 |
| 1954 | 8 | — | #2,946 |
| 1953 | 10 | — | #2,537 |
| 1952 | 9 | — | #2,681 |
| 1951 | 11 | — | #2,372 |
| 1950 | 11 | — | #2,323 |
| 1949 | 9 | — | #2,608 |
| 1947 | 6 | — | #3,374 |
| 1946 | 6 | — | #3,185 |
| 1942 | 6 | — | #3,222 |
| 1940 | 9 | — | #2,483 |
| 1939 | 7 | — | #2,837 |
| 1938 | 6 | — | #3,184 |
| 1937 | 11 | — | #2,203 |
| 1935 | 5 | — | #3,659 |
| 1934 | 6 | — | #3,296 |
| 1933 | 6 | — | #3,280 |
| 1932 | 8 | — | #2,852 |
| 1930 | 5 | — | #4,015 |
| 1927 | 6 | — | #3,791 |
| 1925 | 6 | — | #3,751 |
| 1912 | 5 | — | #2,552 |
| 1911 | 6 | — | #1,542 |