Siearra is a very rare variant of Sierra that was most common in the 2000s and has all but disappeared.
Siearra is a girl name. It last appears in U.S. records in 2008. Siearra was first reported in SSA data in 1985 and peaked in 2000 (23 births).
| Year | U.S. births | U.S. + territories | Rank |
|---|---|---|---|
| 2008 | 8 | 8 | #13,645 |
| 2006 | 5 | 5 | #19,646 |
| 2004 | 7 | 7 | #13,991 |
| 2003 | 8 | 8 | #12,245 |
| 2002 | 12 | 12 | #8,761 |
| 2001 | 10 | 10 | #10,006 |
| 2000 | 23 | 23 | #5,130 |
| 1999 | 19 | 19 | #5,628 |
| 1998 | 16 | 16 | #6,331 |
| 1997 | 14 | — | #6,795 |
| 1996 | 10 | — | #8,733 |
| 1995 | 10 | — | #8,664 |
| 1994 | 5 | — | #15,428 |
| 1993 | 10 | — | #8,628 |
| 1992 | 12 | — | #7,453 |
| 1991 | 19 | — | #5,159 |
| 1990 | 10 | — | #8,418 |
| 1989 | 16 | — | #5,512 |
| 1988 | 8 | — | #9,127 |
| 1987 | 5 | — | #12,991 |
| 1986 | 15 | — | #5,157 |
| 1985 | 9 | — | #7,473 |