Olis is a very rare name used for both girls and boys that was most common in the 1920s and has all but disappeared.
Olis is predominantly a boy name. It last appears in U.S. records in 1944. Olis first appears in 1914 and peaked in 1923 (11 births).
| Year | U.S. births | U.S. + territories | ♀ Rank | ♂ Rank |
|---|---|---|---|---|
| 1944 | 5 | — | — | #3,776 |
| 1941 | 5 | — | — | #3,871 |
| 1936 | 5 | — | — | #3,925 |
| 1932 | 7 | — | — | #3,283 |
| 1931 | 13 | — | #4,813 | #3,026 |
| 1930 | 8 | — | — | #3,211 |
| 1929 | 6 | — | — | #3,840 |
| 1927 | 9 | — | — | #3,085 |
| 1926 | 8 | — | — | #3,305 |
| 1925 | 7 | — | #4,330 | — |
| 1924 | 5 | — | #5,680 | — |
| 1923 | 11 | — | — | #2,727 |
| 1922 | 21 | — | #2,728 | #3,459 |
| 1921 | 8 | — | — | #3,420 |
| 1920 | 5 | — | — | #4,788 |
| 1919 | 13 | — | #5,373 | #3,304 |
| 1917 | 8 | — | — | #3,132 |
| 1914 | 5 | — | — | #3,615 |