Tierah is a very rare variant of Tierra that was most common in the 1990s and has all but disappeared.
Tierah is a girl name. It last appears in U.S. records in 2005. Tierah first appears in 1990 and peaked in 1990 (9 births).
| Year | U.S. births | U.S. + territories | Rank |
|---|---|---|---|
| 2005 | 6 | 6 | #16,291 |
| 2000 | 8 | 8 | #11,720 |
| 1999 | 5 | 5 | #16,733 |
| 1998 | 5 | 5 | #16,410 |
| 1997 | 5 | — | #15,972 |
| 1996 | 5 | — | #15,702 |
| 1993 | 6 | — | #13,314 |
| 1991 | 5 | — | #15,272 |
| 1990 | 9 | — | #9,191 |