Trenia is a rare variant of Trina that was most common in the 1960s and has all but disappeared.
Trenia is a girl name. It last appears in U.S. records in 2008. Trenia was first reported in SSA data in 1943 and peaked in 1968 (27 births).
| Year | U.S. births | U.S. + territories | Rank |
|---|---|---|---|
| 2008 | 5 | 5 | #20,269 |
| 1993 | 6 | — | #13,342 |
| 1979 | 7 | — | #8,968 |
| 1978 | 5 | — | #11,387 |
| 1977 | 7 | — | #8,398 |
| 1976 | 6 | — | #9,206 |
| 1975 | 10 | — | #5,961 |
| 1974 | 14 | — | #4,449 |
| 1973 | 20 | — | #3,339 |
| 1972 | 21 | — | #3,171 |
| 1971 | 16 | — | #3,935 |
| 1970 | 24 | — | #2,932 |
| 1969 | 23 | — | #2,837 |
| 1968 | 27 | — | #2,424 |
| 1967 | 17 | — | #3,203 |
| 1966 | 22 | — | #2,661 |
| 1965 | 7 | — | #5,775 |
| 1964 | 12 | — | #4,081 |
| 1963 | 14 | — | #3,631 |
| 1962 | 10 | — | #4,516 |
| 1961 | 18 | — | #3,055 |
| 1960 | 11 | — | #4,159 |
| 1959 | 12 | — | #3,811 |
| 1958 | 7 | — | #5,365 |
| 1957 | 10 | — | #4,189 |
| 1956 | 12 | — | #3,686 |
| 1955 | 10 | — | #4,042 |
| 1950 | 6 | — | #5,256 |
| 1943 | 5 | — | #5,322 |