Ranulfo is a very rare boys' name that was most common in the 1990s and has all but disappeared.
Ranulfo is a boy name. It last appears in U.S. records in 2008. Ranulfo first appears in 1929 and peaked in 1995 (11 births).
| Year | U.S. births | U.S. + territories | Rank |
|---|---|---|---|
| 2008 | 5 | 5 | #14,137 |
| 2005 | 7 | 7 | #9,893 |
| 2002 | 6 | 6 | #10,372 |
| 1998 | 6 | 6 | #9,371 |
| 1997 | 6 | — | #9,007 |
| 1995 | 11 | — | #5,424 |
| 1994 | 6 | — | #8,562 |
| 1987 | 7 | — | #5,951 |
| 1986 | 6 | — | #6,538 |
| 1984 | 5 | — | #7,072 |
| 1983 | 5 | — | #7,054 |
| 1982 | 6 | — | #6,218 |
| 1981 | 7 | — | #5,356 |
| 1979 | 6 | — | #5,893 |
| 1977 | 5 | — | #6,626 |
| 1964 | 5 | — | #4,484 |
| 1946 | 6 | — | #3,453 |
| 1931 | 5 | — | #4,210 |
| 1929 | 6 | — | #3,864 |