Deloss is a very rare variant of Delois that was most common in the 1910s and has all but disappeared.
Deloss is a boy name. It last appears in U.S. records in 1953. Deloss first appears in 1912 and peaked in 1918 (16 births).
| Year | U.S. births | U.S. + territories | Rank |
|---|---|---|---|
| 1953 | 5 | — | #3,946 |
| 1944 | 7 | — | #2,929 |
| 1941 | 8 | — | #2,704 |
| 1939 | 7 | — | #2,894 |
| 1937 | 9 | — | #2,530 |
| 1936 | 5 | — | #3,664 |
| 1934 | 12 | — | #2,159 |
| 1932 | 10 | — | #2,501 |
| 1931 | 5 | — | #3,897 |
| 1929 | 6 | — | #3,649 |
| 1928 | 10 | — | #2,700 |
| 1927 | 8 | — | #3,224 |
| 1926 | 12 | — | #2,456 |
| 1925 | 7 | — | #3,486 |
| 1924 | 9 | — | #3,080 |
| 1923 | 7 | — | #3,547 |
| 1922 | 15 | — | #2,164 |
| 1921 | 11 | — | #2,667 |
| 1920 | 10 | — | #2,815 |
| 1919 | 11 | — | #2,543 |
| 1918 | 16 | — | #2,020 |
| 1917 | 10 | — | #2,596 |
| 1916 | 10 | — | #2,592 |
| 1915 | 8 | — | #2,877 |
| 1914 | 8 | — | #2,491 |
| 1913 | 5 | — | #2,924 |
| 1912 | 6 | — | #2,345 |