Thersia is a very rare girls' name that was most common in the 1950s and has all but disappeared.
Thersia is a girl name. It last appears in U.S. records in 1971. Thersia first appears in 1944 and peaked in 1956 (9 births).
| Year | U.S. births | U.S. + territories | Rank |
|---|---|---|---|
| 1971 | 5 | — | #9,522 |
| 1968 | 6 | — | #6,941 |
| 1967 | 6 | — | #6,740 |
| 1964 | 6 | — | #6,709 |
| 1963 | 6 | — | #6,529 |
| 1960 | 6 | — | #6,334 |
| 1959 | 6 | — | #6,179 |
| 1958 | 6 | — | #6,047 |
| 1956 | 9 | — | #4,444 |
| 1950 | 5 | — | #6,029 |
| 1949 | 7 | — | #4,630 |
| 1944 | 5 | — | #5,182 |