Onofrio is a very rare boys' name that was most common in the 1920s and has all but disappeared.
Onofrio is a boy name. It last appears in U.S. records in 1979. Onofrio first appears in 1913 and peaked in 1922 (17 births).
| Year | U.S. births | U.S. + territories | Rank |
|---|---|---|---|
| 1979 | 8 | — | #4,722 |
| 1976 | 5 | — | #6,229 |
| 1973 | 7 | — | #4,388 |
| 1971 | 7 | — | #4,259 |
| 1970 | 7 | — | #4,121 |
| 1967 | 6 | — | #3,857 |
| 1963 | 5 | — | #4,458 |
| 1947 | 5 | — | #4,119 |
| 1945 | 5 | — | #3,647 |
| 1943 | 5 | — | #3,914 |
| 1938 | 6 | — | #3,429 |
| 1934 | 5 | — | #4,068 |
| 1933 | 6 | — | #3,542 |
| 1932 | 10 | — | #2,589 |
| 1930 | 8 | — | #3,215 |
| 1929 | 10 | — | #2,713 |
| 1928 | 7 | — | #3,613 |
| 1927 | 8 | — | #3,367 |
| 1926 | 12 | — | #2,524 |
| 1925 | 10 | — | #2,884 |
| 1924 | 14 | — | #2,319 |
| 1923 | 10 | — | #2,891 |
| 1922 | 17 | — | #2,010 |
| 1921 | 15 | — | #2,237 |
| 1920 | 6 | — | #4,152 |
| 1919 | 10 | — | #2,817 |
| 1918 | 10 | — | #2,833 |
| 1917 | 14 | — | #2,161 |
| 1916 | 8 | — | #3,117 |
| 1915 | 8 | — | #2,998 |
| 1914 | 9 | — | #2,403 |
| 1913 | 6 | — | #2,714 |