Alphonso is an established boys' name that peaked in 1962 and has since faded.
Alphonso is predominantly a boy name. In 2025 it ranked #4,712 for boy births in the United States (and #9,965 across all names), given to 21 babies. Alphonso first appears in 1880 and peaked in 1962 (319 births).
| Year | U.S. births | U.S. + territories | ♀ Rank | ♂ Rank |
|---|---|---|---|---|
| 2025 | 21 | 21 | — | #4,712 |
| 2024 | 17 | 17 | — | #5,454 |
| 2023 | 23 | 23 | — | #4,460 |
| 2022 | 19 | 19 | — | #5,027 |
| 2021 | 18 | 18 | — | #5,116 |
| 2020 | 23 | 23 | — | #4,281 |
| 2019 | 22 | 22 | — | #4,486 |
| 2018 | 26 | 26 | — | #3,997 |
| 2017 | 33 | 33 | — | #3,384 |
| 2016 | 31 | 31 | — | #3,528 |
| 2015 | 23 | 23 | — | #4,300 |
| 2014 | 28 | 28 | — | #3,696 |
| 2013 | 26 | 26 | — | #3,866 |
| 2012 | 37 | 37 | — | #3,061 |
| 2011 | 43 | 43 | — | #2,751 |
| 2010 | 32 | 32 | — | #3,381 |
| 2009 | 37 | 37 | — | #3,107 |
| 2008 | 47 | 47 | — | #2,634 |
| 2007 | 43 | 43 | — | #2,766 |
| 2006 | 53 | 53 | — | #2,350 |
| 2005 | 50 | 50 | — | #2,325 |
| 2004 | 55 | 55 | — | #2,131 |
| 2003 | 53 | 53 | — | #2,103 |
| 2002 | 57 | 57 | — | #1,943 |
| 2001 | 51 | 51 | — | #2,052 |
| 2000 | 62 | 62 | — | #1,769 |
| 1999 | 56 | 56 | — | #1,778 |
| 1998 | 75 | 75 | — | #1,476 |
| 1997 | 68 | — | — | #1,519 |
| 1996 | 83 | — | — | #1,314 |
| 1995 | 67 | — | — | #1,456 |
| 1994 | 90 | — | — | #1,211 |
| 1993 | 110 | — | — | #1,056 |
| 1992 | 122 | — | — | #980 |
| 1991 | 110 | — | — | #1,030 |
| 1990 | 158 | — | — | #809 |
| 1989 | 149 | — | — | #810 |
| 1988 | 129 | — | — | #836 |
| 1987 | 129 | — | #11,371 | #836 |
| 1986 | 156 | — | — | #724 |
| 1985 | 144 | — | — | #736 |
| 1984 | 129 | — | — | #763 |
| 1983 | 113 | — | — | #821 |
| 1982 | 108 | — | — | #853 |
| 1981 | 125 | — | — | #780 |
| 1980 | 118 | — | — | #808 |
| 1979 | 127 | — | — | #768 |
| 1978 | 122 | — | — | #767 |
| 1977 | 129 | — | — | #751 |
| 1976 | 132 | — | #9,322 | #739 |
| 1975 | 155 | — | — | #664 |
| 1974 | 193 | — | — | #577 |
| 1973 | 162 | — | — | #620 |
| 1972 | 188 | — | — | #580 |
| 1971 | 196 | — | — | #587 |
| 1970 | 216 | — | — | #554 |
| 1969 | 211 | — | — | #540 |
| 1968 | 212 | — | — | #522 |
| 1967 | 218 | — | — | #509 |
| 1966 | 229 | — | — | #499 |
| 1965 | 220 | — | — | #513 |
| 1964 | 236 | — | — | #509 |
| 1963 | 264 | — | #6,608 | #498 |
| 1962 | 319 | — | — | #444 |
| 1961 | 300 | — | — | #469 |
| 1960 | 290 | — | #5,711 | #470 |
| 1959 | 299 | — | — | #460 |
| 1958 | 271 | — | — | #478 |
| 1957 | 289 | — | — | #453 |
| 1956 | 299 | — | — | #436 |
| 1955 | 309 | — | — | #417 |
| 1954 | 279 | — | — | #432 |
| 1953 | 269 | — | — | #432 |
| 1952 | 261 | — | — | #434 |
| 1951 | 283 | — | — | #405 |
| 1950 | 209 | — | — | #457 |
| 1949 | 230 | — | — | #442 |
| 1948 | 202 | — | — | #468 |
| 1947 | 203 | — | — | #471 |
| 1946 | 186 | — | — | #469 |
| 1945 | 136 | — | — | #515 |
| 1944 | 120 | — | — | #551 |
| 1943 | 143 | — | — | #524 |
| 1942 | 142 | — | — | #512 |
| 1941 | 146 | — | — | #485 |
| 1940 | 140 | — | — | #488 |
| 1939 | 123 | — | — | #511 |
| 1938 | 136 | — | — | #499 |
| 1937 | 122 | — | — | #523 |
| 1936 | 107 | — | — | #552 |
| 1935 | 136 | — | — | #486 |
| 1934 | 125 | — | — | #523 |
| 1933 | 123 | — | — | #506 |
| 1932 | 156 | — | — | #454 |
| 1931 | 119 | — | — | #532 |
| 1930 | 135 | — | #4,059 | #526 |
| 1929 | 112 | — | — | #557 |
| 1928 | 114 | — | — | #578 |
| 1927 | 120 | — | — | #562 |
| 1926 | 114 | — | — | #581 |
| 1925 | 124 | — | — | #554 |
| 1924 | 96 | — | — | #657 |
| 1923 | 116 | — | — | #582 |
| 1922 | 109 | — | — | #618 |
| 1921 | 128 | — | — | #553 |
| 1920 | 87 | — | — | #687 |
| 1919 | 120 | — | — | #545 |
| 1918 | 101 | — | — | #611 |
| 1917 | 97 | — | — | #603 |
| 1916 | 100 | — | — | #574 |
| 1915 | 84 | — | — | #632 |
| 1914 | 73 | — | — | #585 |
| 1913 | 55 | — | — | #593 |
| 1912 | 69 | — | — | #470 |
| 1911 | 31 | — | — | #533 |
| 1910 | 35 | — | — | #462 |
| 1909 | 21 | — | — | #574 |
| 1908 | 22 | — | — | #541 |
| 1907 | 20 | — | — | #540 |
| 1906 | 27 | — | — | #424 |
| 1905 | 19 | — | — | #527 |
| 1904 | 21 | — | — | #466 |
| 1903 | 15 | — | — | #578 |
| 1902 | 14 | — | — | #585 |
| 1901 | 12 | — | — | #599 |
| 1900 | 35 | — | — | #376 |
| 1899 | 11 | — | — | #615 |
| 1898 | 11 | — | — | #665 |
| 1897 | 12 | — | — | #617 |
| 1896 | 13 | — | — | #595 |
| 1894 | 12 | — | — | #594 |
| 1892 | 9 | — | — | #749 |
| 1891 | 7 | — | — | #770 |
| 1890 | 8 | — | — | #740 |
| 1888 | 11 | — | — | #612 |
| 1886 | 9 | — | — | #649 |
| 1884 | 8 | — | — | #703 |
| 1883 | 6 | — | — | #803 |
| 1882 | 8 | — | — | #696 |
| 1881 | 7 | — | — | #710 |
| 1880 | 5 | — | — | #914 |