Theone is a rare girls' name that was most common in the 1920s and has all but disappeared.
Theone is predominantly a girl name. It last appears in U.S. records in 2017. Theone was first reported in SSA data in 1915 and peaked in 1920 (20 births).
| Year | U.S. births | U.S. + territories | ♀ Rank | ♂ Rank |
|---|---|---|---|---|
| 2017 | 5 | 5 | — | #14,055 |
| 2009 | 5 | 5 | — | #14,295 |
| 2008 | 5 | 5 | #20,229 | — |
| 1970 | 5 | — | #9,231 | — |
| 1969 | 5 | — | #8,590 | — |
| 1963 | 7 | — | #5,846 | — |
| 1959 | 6 | — | #6,177 | — |
| 1957 | 8 | — | #4,881 | — |
| 1953 | 9 | — | #4,202 | — |
| 1952 | 5 | — | #6,322 | — |
| 1951 | 8 | — | #4,350 | — |
| 1950 | 6 | — | #5,248 | — |
| 1948 | 5 | — | #5,971 | — |
| 1947 | 5 | — | #6,053 | — |
| 1946 | 8 | — | #3,962 | — |
| 1943 | 5 | — | #5,313 | — |
| 1941 | 7 | — | #3,923 | — |
| 1940 | 6 | — | #4,298 | — |
| 1939 | 5 | — | #4,886 | — |
| 1937 | 7 | — | #3,764 | — |
| 1936 | 6 | — | #4,130 | — |
| 1935 | 7 | — | #3,717 | — |
| 1932 | 5 | — | #5,021 | — |
| 1931 | 7 | — | #3,812 | — |
| 1930 | 15 | — | #2,292 | — |
| 1929 | 12 | — | #2,728 | — |
| 1928 | 15 | — | #2,371 | — |
| 1927 | 7 | — | #4,242 | — |
| 1926 | 6 | — | #4,788 | — |
| 1925 | 13 | — | #2,761 | — |
| 1924 | 11 | — | #3,128 | — |
| 1923 | 13 | — | #2,717 | — |
| 1922 | 6 | — | #4,951 | — |
| 1921 | 6 | — | #5,039 | — |
| 1920 | 20 | — | #2,008 | — |
| 1919 | 16 | — | #2,250 | — |
| 1918 | 8 | — | #3,820 | — |
| 1917 | 10 | — | #3,060 | — |
| 1916 | 9 | — | #3,228 | — |
| 1915 | 7 | — | #3,761 | — |