Total babies named Olis (all years): 149
| Year | Boys (count / rank / %) |
|---|---|
| 1944 | 5 / #3776 / 0.000% |
| 1941 | 5 / #3871 / 0.000% |
| 1936 | 5 / #3925 / 0.000% |
| 1932 | 7 / #3283 / 0.001% |
| 1931 | 8 / #3026 / 0.001% |
| 1930 | 8 / #3211 / 0.001% |
| 1929 | 6 / #3840 / 0.001% |
| 1927 | 9 / #3085 / 0.001% |
| 1926 | 8 / #3305 / 0.001% |
| 1925 | — |
| Year | Boys (count / rank / %) |
|---|---|
| 1924 | — |
| 1923 | 11 / #2727 / 0.001% |
| 1922 | 8 / #3459 / 0.001% |
| 1921 | 8 / #3420 / 0.001% |
| 1920 | 5 / #4788 / 0.000% |
| 1919 | 8 / #3304 / 0.001% |
| 1917 | 8 / #3132 / 0.001% |
| 1914 | 5 / #3615 / 0.001% |