The baby name Delwin appears in baby name data for the United States from 1929 to 1998. It was most popular in 1940 with 10 babies given the name.
Over the period shown, Delwin has stayed at a similar level of popularity.
| Year | Count |
|---|---|
| 1929 | 6 |
| 1933 | 6 |
| 1936 | 5 |
| 1939 | 6 |
| 1940 | 10 |
| 1942 | 6 |
| 1968 | 10 |
| 1969 | 8 |
| 1970 | 6 |
| 1974 | 10 |
| 1998 | 5 |