Oletha is a rare girls' name that was most common in the 1920s and has all but disappeared.
Oletha is a girl name. It last appears in U.S. records in 1980. Oletha was first reported in SSA data in 1897 and peaked in 1923 (41 births).
| Year | U.S. births | U.S. + territories | Rank |
|---|---|---|---|
| 1980 | 5 | — | #11,621 |
| 1978 | 9 | — | #6,763 |
| 1977 | 6 | — | #9,278 |
| 1975 | 7 | — | #7,720 |
| 1974 | 10 | — | #5,644 |
| 1973 | 10 | — | #5,463 |
| 1972 | 13 | — | #4,465 |
| 1971 | 13 | — | #4,471 |
| 1970 | 10 | — | #5,306 |
| 1969 | 13 | — | #4,109 |
| 1968 | 6 | — | #6,784 |
| 1967 | 14 | — | #3,604 |
| 1966 | 11 | — | #4,138 |
| 1965 | 7 | — | #5,654 |
| 1964 | 9 | — | #4,889 |
| 1963 | 14 | — | #3,583 |
| 1962 | 5 | — | #7,278 |
| 1961 | 18 | — | #3,033 |
| 1960 | 6 | — | #6,190 |
| 1959 | 14 | — | #3,381 |
| 1958 | 8 | — | #4,791 |
| 1957 | 13 | — | #3,442 |
| 1956 | 6 | — | #5,772 |
| 1955 | 8 | — | #4,637 |
| 1954 | 9 | — | #4,195 |
| 1953 | 12 | — | #3,416 |
| 1952 | 14 | — | #3,012 |
| 1951 | 10 | — | #3,651 |
| 1950 | 5 | — | #5,893 |
| 1949 | 14 | — | #2,814 |
| 1948 | 9 | — | #3,800 |
| 1947 | 5 | — | #5,898 |
| 1946 | 8 | — | #3,897 |
| 1945 | 12 | — | #2,703 |
| 1944 | 15 | — | #2,367 |
| 1943 | 15 | — | #2,418 |
| 1942 | 11 | — | #2,946 |
| 1941 | 14 | — | #2,357 |
| 1940 | 10 | — | #2,906 |
| 1939 | 12 | — | #2,543 |
| 1938 | 21 | — | #1,741 |
| 1937 | 14 | — | #2,283 |
| 1936 | 11 | — | #2,653 |
| 1935 | 21 | — | #1,707 |
| 1934 | 23 | — | #1,595 |
| 1933 | 22 | — | #1,644 |
| 1932 | 25 | — | #1,555 |
| 1931 | 29 | — | #1,390 |
| 1930 | 27 | — | #1,522 |
| 1929 | 22 | — | #1,746 |
| 1928 | 33 | — | #1,363 |
| 1927 | 25 | — | #1,713 |
| 1926 | 38 | — | #1,273 |
| 1925 | 39 | — | #1,268 |
| 1924 | 30 | — | #1,556 |
| 1923 | 41 | — | #1,223 |
| 1922 | 33 | — | #1,423 |
| 1921 | 36 | — | #1,329 |
| 1920 | 32 | — | #1,433 |
| 1919 | 37 | — | #1,265 |
| 1918 | 34 | — | #1,323 |
| 1917 | 33 | — | #1,277 |
| 1916 | 25 | — | #1,518 |
| 1915 | 31 | — | #1,281 |
| 1914 | 20 | — | #1,474 |
| 1913 | 22 | — | #1,214 |
| 1912 | 12 | — | #1,699 |
| 1911 | 10 | — | #1,623 |
| 1910 | 14 | — | #1,257 |
| 1909 | 8 | — | #1,708 |
| 1907 | 10 | — | #1,355 |
| 1906 | 8 | — | #1,520 |
| 1904 | 8 | — | #1,449 |
| 1903 | 5 | — | #2,001 |
| 1897 | 5 | — | #1,727 |