Tonnia is a very rare variant of Toni that was most common in the 1970s and has all but disappeared.
Tonnia is a girl name. It last appears in U.S. records in 1976. Tonnia was first reported in SSA data in 1959 and peaked in 1970 (10 births).
| Year | U.S. births | U.S. + territories | Rank |
|---|---|---|---|
| 1976 | 5 | — | #10,805 |
| 1975 | 6 | — | #8,993 |
| 1974 | 6 | — | #8,690 |
| 1973 | 7 | — | #7,391 |
| 1972 | 7 | — | #7,242 |
| 1971 | 8 | — | #6,587 |
| 1970 | 10 | — | #5,386 |
| 1969 | 7 | — | #6,566 |
| 1968 | 6 | — | #6,954 |
| 1967 | 7 | — | #6,005 |
| 1966 | 5 | — | #7,539 |
| 1965 | 8 | — | #5,259 |
| 1964 | 8 | — | #5,437 |
| 1963 | 5 | — | #7,576 |
| 1962 | 6 | — | #6,515 |
| 1960 | 5 | — | #7,233 |
| 1959 | 6 | — | #6,185 |