Olean is a rare girls' name that was most common in the 1920s and has all but disappeared.
Olean is predominantly a girl name. It last appears in U.S. records in 1963. Olean was first reported in SSA data in 1900 and peaked in 1921 (36 births).
| Year | U.S. births | U.S. + territories | ♀ Rank | ♂ Rank |
|---|---|---|---|---|
| 1963 | 5 | — | #7,335 | — |
| 1956 | 5 | — | #6,632 | — |
| 1955 | 6 | — | #5,668 | — |
| 1953 | 7 | — | #4,905 | — |
| 1952 | 5 | — | #6,181 | — |
| 1950 | 6 | — | #5,128 | — |
| 1948 | 9 | — | #3,799 | — |
| 1947 | 14 | — | #2,863 | — |
| 1946 | 8 | — | #3,896 | — |
| 1944 | 20 | — | #1,955 | — |
| 1943 | 13 | — | #2,660 | — |
| 1942 | 12 | — | #2,767 | — |
| 1941 | 11 | — | #2,798 | — |
| 1940 | 10 | — | #2,905 | — |
| 1939 | 9 | — | #3,089 | — |
| 1938 | 8 | — | #3,386 | — |
| 1937 | 15 | — | #2,161 | — |
| 1936 | 16 | — | #2,001 | — |
| 1935 | 18 | — | #1,896 | — |
| 1934 | 22 | — | #1,640 | — |
| 1933 | 32 | — | #1,284 | — |
| 1932 | 25 | — | #1,554 | — |
| 1931 | 19 | — | #2,283 | #4,171 |
| 1930 | 21 | — | #1,796 | — |
| 1929 | 34 | — | #1,302 | — |
| 1928 | 30 | — | #1,460 | — |
| 1927 | 28 | — | #1,576 | — |
| 1926 | 39 | — | #1,437 | #3,617 |
| 1925 | 27 | — | #1,637 | — |
| 1924 | 30 | — | #1,555 | — |
| 1923 | 24 | — | #1,768 | — |
| 1922 | 35 | — | #1,358 | — |
| 1921 | 36 | — | #1,328 | — |
| 1920 | 30 | — | #1,690 | #4,786 |
| 1919 | 35 | — | #1,314 | — |
| 1918 | 31 | — | #1,402 | — |
| 1917 | 22 | — | #1,692 | — |
| 1916 | 16 | — | #2,103 | — |
| 1915 | 27 | — | #1,392 | — |
| 1914 | 21 | — | #1,425 | — |
| 1913 | 8 | — | #2,490 | — |
| 1912 | 14 | — | #1,522 | — |
| 1911 | 8 | — | #1,915 | — |
| 1910 | 11 | — | #1,491 | — |
| 1909 | 5 | — | #2,459 | — |
| 1908 | 9 | — | #1,514 | — |
| 1907 | 7 | — | #1,768 | — |
| 1906 | 7 | — | #1,678 | — |
| 1905 | 8 | — | #1,505 | — |
| 1904 | 6 | — | #1,807 | — |
| 1900 | 6 | — | #1,875 | — |