The baby name Alfonzo appears in baby name data for the United States from 1916 to 2023. It was most popular in 1953 with 85 babies given the name.
Over the period shown, Alfonzo has stayed at a similar level of popularity.
| Year | Count |
|---|---|
| 1916 | 5 |
| 1917 | 6 |
| 1919 | 15 |
| 1920 | 15 |
| 1922 | 7 |
| 1923 | 20 |
| 1924 | 7 |
| 1925 | 25 |
| 1926 | 43 |
| 1927 | 6 |
| 1929 | 20 |
| 1930 | 21 |
| 1931 | 24 |
| 1932 | 41 |
| 1933 | 5 |
| 1934 | 15 |
| 1936 | 20 |
| 1939 | 5 |
| 1940 | 13 |
| 1941 | 32 |
| 1942 | 6 |
| 1943 | 26 |
| 1944 | 20 |
| 1945 | 6 |
| 1946 | 41 |
| 1947 | 63 |
| 1948 | 62 |
| 1949 | 28 |
| 1950 | 15 |
| 1951 | 15 |
| 1952 | 75 |
| 1953 | 85 |
| 1954 | 62 |
| 1955 | 81 |
| 1956 | 50 |
| 1957 | 63 |
| 1958 | 10 |
| 1959 | 33 |
| 1960 | 38 |
| 1961 | 36 |
| 1962 | 32 |
| 1963 | 28 |
| 1964 | 30 |
| 1965 | 42 |
| 1966 | 24 |
| 1967 | 53 |
| 1968 | 23 |
| 1969 | 36 |
| 1970 | 57 |
| 1971 | 60 |
| 1972 | 38 |
| 1973 | 23 |
| 1974 | 34 |
| 1975 | 33 |
| 1976 | 78 |
| 1977 | 58 |
| 1978 | 42 |
| 1979 | 42 |
| 1980 | 57 |
| 1981 | 40 |
| 1982 | 47 |
| 1983 | 37 |
| 1984 | 32 |
| 1985 | 26 |
| 1986 | 34 |
| 1987 | 21 |
| 1988 | 16 |
| 1989 | 25 |
| 1990 | 18 |
| 1991 | 28 |
| 1992 | 41 |
| 1993 | 16 |
| 1994 | 13 |
| 1996 | 6 |
| 1998 | 10 |
| 1999 | 19 |
| 2000 | 16 |
| 2001 | 10 |
| 2002 | 16 |
| 2005 | 6 |
| 2006 | 20 |
| 2008 | 15 |
| 2012 | 10 |
| 2015 | 20 |
| 2016 | 10 |
| 2017 | 10 |
| 2019 | 5 |
| 2021 | 5 |
| 2023 | 5 |