The baby name Rudolfo appears in baby name data for the United States from 1919 to 2006. It was most popular in 1955 with 116 babies given the name.
Over the period shown, Rudolfo has stayed at a similar level of popularity.
| Year | Count |
|---|---|
| 1919 | 7 |
| 1920 | 5 |
| 1921 | 6 |
| 1923 | 5 |
| 1925 | 7 |
| 1926 | 16 |
| 1927 | 13 |
| 1928 | 13 |
| 1929 | 12 |
| 1932 | 5 |
| 1937 | 6 |
| 1939 | 6 |
| 1940 | 6 |
| 1941 | 13 |
| 1942 | 7 |
| 1943 | 11 |
| 1944 | 12 |
| 1945 | 12 |
| 1946 | 17 |
| 1947 | 29 |
| 1948 | 19 |
| 1949 | 27 |
| 1951 | 11 |
| 1952 | 9 |
| 1955 | 116 |
| 1956 | 72 |
| 1957 | 50 |
| 1958 | 28 |
| 1959 | 32 |
| 1960 | 26 |
| 1962 | 20 |
| 1963 | 28 |
| 1964 | 26 |
| 1965 | 30 |
| 1966 | 32 |
| 1967 | 14 |
| 1968 | 14 |
| 1969 | 6 |
| 1970 | 17 |
| 1971 | 15 |
| 1972 | 12 |
| 1973 | 18 |
| 1975 | 8 |
| 1976 | 8 |
| 1977 | 12 |
| 1978 | 10 |
| 1979 | 7 |
| 1980 | 12 |
| 1981 | 11 |
| 1982 | 10 |
| 1983 | 7 |
| 1984 | 10 |
| 1985 | 11 |
| 1986 | 14 |
| 1987 | 6 |
| 1989 | 13 |
| 1990 | 13 |
| 1991 | 5 |
| 1992 | 7 |
| 1993 | 13 |
| 1994 | 9 |
| 1995 | 5 |
| 1997 | 6 |
| 2006 | 5 |