Alphonzo is an uncommon variant of Alphonso that peaked in 1963 and has since faded.
Alphonzo is a boy name. It last appears in U.S. records in 2024. Alphonzo was first reported in SSA data in 1895 and peaked in 1963 (43 births).
| Year | U.S. births | U.S. + territories | Rank |
|---|---|---|---|
| 2024 | 7 | 7 | #9,952 |
| 2022 | 6 | 6 | #10,935 |
| 2018 | 6 | 6 | #10,834 |
| 2016 | 6 | 6 | #10,821 |
| 2015 | 8 | 8 | #8,779 |
| 2014 | 7 | 7 | #9,691 |
| 2012 | 6 | 6 | #10,849 |
| 2011 | 10 | 10 | #7,524 |
| 2010 | 10 | 10 | #7,612 |
| 2009 | 10 | 10 | #7,714 |
| 2008 | 7 | 7 | #9,906 |
| 2007 | 9 | 9 | #8,205 |
| 2005 | 5 | 5 | #11,540 |
| 2004 | 11 | 11 | #6,544 |
| 2003 | 10 | 10 | #6,739 |
| 2002 | 14 | 14 | #5,144 |
| 2001 | 12 | 12 | #5,682 |
| 2000 | 10 | 10 | #6,335 |
| 1999 | 13 | 13 | #5,050 |
| 1998 | 13 | 13 | #4,884 |
| 1997 | 14 | — | #4,459 |
| 1996 | 19 | — | #3,550 |
| 1995 | 11 | — | #5,135 |
| 1994 | 19 | — | #3,475 |
| 1993 | 14 | — | #4,236 |
| 1992 | 21 | — | #3,106 |
| 1991 | 17 | — | #3,466 |
| 1990 | 22 | — | #2,866 |
| 1989 | 16 | — | #3,454 |
| 1988 | 17 | — | #3,082 |
| 1987 | 30 | — | #2,020 |
| 1986 | 16 | — | #3,008 |
| 1985 | 12 | — | #3,609 |
| 1984 | 22 | — | #2,294 |
| 1983 | 21 | — | #2,341 |
| 1982 | 17 | — | #2,710 |
| 1981 | 19 | — | #2,497 |
| 1980 | 18 | — | #2,618 |
| 1979 | 29 | — | #1,867 |
| 1978 | 18 | — | #2,475 |
| 1977 | 20 | — | #2,272 |
| 1976 | 19 | — | #2,332 |
| 1975 | 38 | — | #1,430 |
| 1974 | 24 | — | #1,887 |
| 1973 | 25 | — | #1,782 |
| 1972 | 26 | — | #1,724 |
| 1971 | 28 | — | #1,672 |
| 1970 | 26 | — | #1,702 |
| 1969 | 33 | — | #1,396 |
| 1968 | 25 | — | #1,575 |
| 1967 | 20 | — | #1,760 |
| 1966 | 38 | — | #1,216 |
| 1965 | 29 | — | #1,429 |
| 1964 | 27 | — | #1,510 |
| 1963 | 43 | — | #1,176 |
| 1962 | 39 | — | #1,243 |
| 1961 | 25 | — | #1,602 |
| 1960 | 42 | — | #1,210 |
| 1959 | 33 | — | #1,360 |
| 1958 | 24 | — | #1,593 |
| 1957 | 32 | — | #1,389 |
| 1956 | 38 | — | #1,232 |
| 1955 | 38 | — | #1,219 |
| 1954 | 26 | — | #1,496 |
| 1953 | 42 | — | #1,140 |
| 1952 | 37 | — | #1,213 |
| 1951 | 36 | — | #1,219 |
| 1950 | 22 | — | #1,572 |
| 1949 | 28 | — | #1,381 |
| 1948 | 37 | — | #1,173 |
| 1947 | 27 | — | #1,425 |
| 1946 | 22 | — | #1,510 |
| 1945 | 21 | — | #1,445 |
| 1944 | 15 | — | #1,811 |
| 1943 | 16 | — | #1,835 |
| 1942 | 24 | — | #1,421 |
| 1941 | 14 | — | #1,907 |
| 1940 | 14 | — | #1,895 |
| 1939 | 13 | — | #1,961 |
| 1938 | 12 | — | #2,085 |
| 1937 | 16 | — | #1,758 |
| 1936 | 18 | — | #1,589 |
| 1935 | 26 | — | #1,326 |
| 1934 | 10 | — | #2,396 |
| 1933 | 15 | — | #1,831 |
| 1932 | 28 | — | #1,288 |
| 1931 | 24 | — | #1,428 |
| 1930 | 19 | — | #1,694 |
| 1929 | 19 | — | #1,732 |
| 1928 | 14 | — | #2,164 |
| 1927 | 16 | — | #2,038 |
| 1926 | 22 | — | #1,606 |
| 1925 | 17 | — | #1,936 |
| 1924 | 11 | — | #2,645 |
| 1923 | 13 | — | #2,334 |
| 1922 | 18 | — | #1,886 |
| 1921 | 6 | — | #3,883 |
| 1920 | 10 | — | #2,768 |
| 1918 | 8 | — | #3,104 |
| 1917 | 11 | — | #2,426 |
| 1916 | 10 | — | #2,549 |
| 1915 | 16 | — | #1,786 |
| 1914 | 9 | — | #2,274 |
| 1913 | 6 | — | #2,505 |
| 1911 | 7 | — | #1,391 |
| 1910 | 6 | — | #1,428 |
| 1895 | 5 | — | #1,085 |