Delfin is a very rare variant of Delvin that peaked in 1969 and has since faded.
Delfin is a boy name. It last appears in U.S. records in 2023. Delfin first appears in 1919 and peaked in 1969 (11 births).
| Year | U.S. births | U.S. + territories | Rank |
|---|---|---|---|
| 2023 | 6 | 6 | #11,155 |
| 2006 | 6 | 6 | #10,988 |
| 2005 | 6 | 6 | #10,410 |
| 2003 | 5 | 5 | #11,295 |
| 1993 | 5 | — | #9,061 |
| 1992 | 6 | — | #7,669 |
| 1990 | 6 | — | #7,394 |
| 1986 | 5 | — | #6,981 |
| 1985 | 5 | — | #6,779 |
| 1984 | 6 | — | #5,747 |
| 1979 | 7 | — | #4,968 |
| 1977 | 7 | — | #4,706 |
| 1975 | 5 | — | #5,666 |
| 1974 | 7 | — | #4,281 |
| 1973 | 10 | — | #3,271 |
| 1972 | 7 | — | #4,077 |
| 1971 | 9 | — | #3,426 |
| 1970 | 6 | — | #4,359 |
| 1969 | 11 | — | #2,735 |
| 1968 | 7 | — | #3,439 |
| 1967 | 7 | — | #3,328 |
| 1965 | 10 | — | #2,657 |
| 1964 | 5 | — | #4,180 |
| 1962 | 6 | — | #3,728 |
| 1961 | 8 | — | #3,161 |
| 1960 | 10 | — | #2,727 |
| 1959 | 9 | — | #2,874 |
| 1958 | 5 | — | #4,088 |
| 1957 | 9 | — | #2,871 |
| 1954 | 9 | — | #2,788 |
| 1952 | 6 | — | #3,448 |
| 1951 | 5 | — | #3,832 |
| 1950 | 6 | — | #3,405 |
| 1948 | 10 | — | #2,487 |
| 1946 | 6 | — | #3,255 |
| 1943 | 5 | — | #3,659 |
| 1939 | 5 | — | #3,605 |
| 1934 | 6 | — | #3,370 |
| 1931 | 5 | — | #3,894 |
| 1930 | 6 | — | #3,673 |
| 1925 | 5 | — | #4,360 |
| 1919 | 5 | — | #4,303 |