Trinia is a rare variant of Trina that was most common in the 1970s and has all but disappeared.
Trinia is a girl name. It last appears in U.S. records in 1986. Trinia first appears in 1957 and peaked in 1970 (29 births).
| Year | U.S. births | U.S. + territories | Rank |
|---|---|---|---|
| 1986 | 7 | — | #9,490 |
| 1984 | 5 | — | #12,088 |
| 1983 | 7 | — | #8,971 |
| 1982 | 9 | — | #7,444 |
| 1980 | 6 | — | #10,322 |
| 1979 | 14 | — | #5,081 |
| 1978 | 16 | — | #4,447 |
| 1977 | 12 | — | #5,518 |
| 1976 | 11 | — | #5,585 |
| 1975 | 19 | — | #3,633 |
| 1974 | 18 | — | #3,688 |
| 1973 | 17 | — | #3,782 |
| 1972 | 18 | — | #3,535 |
| 1971 | 27 | — | #2,729 |
| 1970 | 29 | — | #2,571 |
| 1969 | 19 | — | #3,194 |
| 1968 | 12 | — | #4,207 |
| 1967 | 11 | — | #4,286 |
| 1966 | 13 | — | #3,730 |
| 1965 | 14 | — | #3,538 |
| 1964 | 9 | — | #4,985 |
| 1963 | 6 | — | #6,546 |
| 1962 | 5 | — | #7,509 |
| 1958 | 5 | — | #6,964 |
| 1957 | 7 | — | #5,334 |