The baby name Alphonso appears in baby name data for the United States from 1910 to 2017. It was most popular in 1962 with 419 babies given the name.
In the later years of this period, Alphonso has become less common than it once was.
| Year | Count |
|---|---|
| 1910 | 24 |
| 1912 | 49 |
| 1913 | 23 |
| 1914 | 35 |
| 1915 | 48 |
| 1916 | 89 |
| 1917 | 83 |
| 1918 | 94 |
| 1919 | 93 |
| 1920 | 38 |
| 1921 | 119 |
| 1922 | 60 |
| 1923 | 88 |
| 1924 | 93 |
| 1925 | 127 |
| 1926 | 111 |
| 1927 | 125 |
| 1928 | 103 |
| 1929 | 141 |
| 1930 | 92 |
| 1931 | 132 |
| 1932 | 162 |
| 1933 | 152 |
| 1934 | 147 |
| 1935 | 139 |
| 1936 | 104 |
| 1937 | 128 |
| 1938 | 154 |
| 1939 | 126 |
| 1940 | 146 |
| 1941 | 164 |
| 1942 | 176 |
| 1943 | 166 |
| 1944 | 115 |
| 1945 | 154 |
| 1946 | 204 |
| 1947 | 260 |
| 1948 | 259 |
| 1949 | 311 |
| 1950 | 276 |
| 1951 | 401 |
| 1952 | 383 |
| 1953 | 398 |
| 1954 | 376 |
| 1955 | 416 |
| 1956 | 384 |
| 1957 | 385 |
| 1958 | 356 |
| 1959 | 356 |
| 1960 | 330 |
| 1961 | 391 |
| 1962 | 419 |
| 1963 | 313 |
| 1964 | 231 |
| 1965 | 269 |
| 1966 | 214 |
| 1967 | 210 |
| 1968 | 197 |
| 1969 | 211 |
| 1970 | 199 |
| 1971 | 192 |
| 1972 | 204 |
| 1973 | 152 |
| 1974 | 196 |
| 1975 | 139 |
| 1976 | 161 |
| 1977 | 108 |
| 1978 | 92 |
| 1979 | 118 |
| 1980 | 74 |
| 1981 | 101 |
| 1982 | 89 |
| 1983 | 80 |
| 1984 | 96 |
| 1985 | 97 |
| 1986 | 148 |
| 1987 | 114 |
| 1988 | 92 |
| 1989 | 126 |
| 1990 | 134 |
| 1991 | 71 |
| 1992 | 118 |
| 1993 | 91 |
| 1994 | 76 |
| 1995 | 31 |
| 1996 | 51 |
| 1997 | 46 |
| 1998 | 71 |
| 1999 | 35 |
| 2000 | 34 |
| 2001 | 22 |
| 2002 | 22 |
| 2003 | 14 |
| 2004 | 24 |
| 2005 | 36 |
| 2006 | 31 |
| 2007 | 7 |
| 2008 | 38 |
| 2009 | 14 |
| 2010 | 15 |
| 2011 | 10 |
| 2012 | 10 |
| 2014 | 10 |
| 2016 | 12 |
| 2017 | 12 |