Oley is a rare boys' name that was most common in the 1920s and has all but disappeared.
Oley is predominantly a boy name. It last appears in U.S. records in 1964. Oley first appears in 1883 and peaked in 1922 (15 births).
| Year | U.S. births | U.S. + territories | ♀ Rank | ♂ Rank |
|---|---|---|---|---|
| 1964 | 7 | — | — | #3,518 |
| 1963 | 6 | — | — | #3,911 |
| 1962 | 5 | — | — | #4,472 |
| 1961 | 5 | — | — | #4,483 |
| 1959 | 7 | — | — | #3,501 |
| 1956 | 5 | — | — | #4,317 |
| 1955 | 5 | — | — | #4,236 |
| 1952 | 7 | — | — | #3,298 |
| 1950 | 9 | — | — | #2,718 |
| 1949 | 7 | — | — | #3,212 |
| 1947 | 10 | — | — | #2,620 |
| 1946 | 7 | — | — | #3,100 |
| 1944 | 9 | — | — | #2,585 |
| 1943 | 6 | — | — | #3,461 |
| 1941 | 6 | — | — | #3,402 |
| 1940 | 8 | — | — | #2,808 |
| 1939 | 8 | — | — | #2,757 |
| 1938 | 9 | — | — | #2,598 |
| 1937 | 7 | — | — | #3,101 |
| 1936 | 10 | — | — | #2,409 |
| 1935 | 9 | — | — | #2,662 |
| 1934 | 8 | — | — | #2,894 |
| 1933 | 5 | — | — | #4,013 |
| 1931 | 5 | — | — | #4,173 |
| 1928 | 11 | — | — | #2,605 |
| 1927 | 10 | — | — | #2,853 |
| 1926 | 14 | — | — | #2,274 |
| 1925 | 11 | — | — | #2,704 |
| 1924 | 10 | — | — | #2,962 |
| 1923 | 12 | — | — | #2,562 |
| 1922 | 15 | — | — | #2,217 |
| 1921 | 11 | — | — | #2,750 |
| 1920 | 10 | — | — | #2,907 |
| 1919 | 9 | — | — | #3,056 |
| 1918 | 7 | — | — | #3,611 |
| 1917 | 10 | — | — | #2,675 |
| 1916 | 8 | — | — | #3,112 |
| 1915 | 9 | — | — | #2,767 |
| 1914 | 13 | — | #4,055 | #2,586 |
| 1913 | 10 | — | — | #1,904 |
| 1912 | 5 | — | — | #2,801 |
| 1901 | 6 | — | — | #1,029 |
| 1898 | 5 | — | — | #1,254 |
| 1897 | 6 | — | — | #1,028 |
| 1891 | 5 | — | — | #1,080 |
| 1884 | 6 | — | — | #940 |
| 1883 | 5 | — | — | #1,006 |