Letonia is a very rare girls' name that was most common in the 1970s and has all but disappeared.
Letonia is a girl name. It last appears in U.S. records in 1975. Letonia first appears in 1962 and peaked in 1972 (13 births).
| Year | U.S. births | U.S. + territories | Rank |
|---|---|---|---|
| 1975 | 9 | — | #6,226 |
| 1974 | 13 | — | #4,603 |
| 1973 | 6 | — | #7,967 |
| 1972 | 13 | — | #4,424 |
| 1971 | 8 | — | #6,344 |
| 1970 | 5 | — | #8,722 |
| 1969 | 6 | — | #7,083 |
| 1968 | 9 | — | #4,978 |
| 1967 | 6 | — | #6,455 |
| 1966 | 5 | — | #7,152 |
| 1962 | 6 | — | #6,243 |