Dellis is a very rare variant of Delois that was most common in the 1940s and has all but disappeared.
Dellis is a boy name. It last appears in U.S. records in 1950. Dellis first appears in 1914 and peaked in 1940 (9 births).
| Year | U.S. births | U.S. + territories | Rank |
|---|---|---|---|
| 1950 | 5 | — | #3,808 |
| 1943 | 5 | — | #3,660 |
| 1941 | 6 | — | #3,223 |
| 1940 | 9 | — | #2,523 |
| 1933 | 5 | — | #3,766 |
| 1932 | 6 | — | #3,464 |
| 1931 | 5 | — | #3,896 |
| 1928 | 5 | — | #4,288 |
| 1925 | 6 | — | #3,840 |
| 1924 | 8 | — | #3,321 |
| 1921 | 5 | — | #4,501 |
| 1918 | 5 | — | #4,328 |
| 1914 | 5 | — | #3,364 |