Siennah is a very rare variant of Sienna that peaked in 2007 and has grown less common since.
Siennah is a girl name. In 2025 it ranked #9,377 for girl births in the United States (and #15,932 across all names), given to 11 babies. Siennah was first reported in SSA data in 2003 and peaked in 2007 (16 births).
| Year | U.S. births | U.S. + territories | Rank |
|---|---|---|---|
| 2025 | 11 | 11 | #9,377 |
| 2023 | 8 | 8 | #12,047 |
| 2022 | 5 | 5 | #17,416 |
| 2021 | 8 | 8 | #12,051 |
| 2019 | 8 | 8 | #12,298 |
| 2018 | 8 | 8 | #12,333 |
| 2017 | 7 | 7 | #13,911 |
| 2016 | 5 | 5 | #18,502 |
| 2015 | 7 | 7 | #14,302 |
| 2013 | 5 | 5 | #18,895 |
| 2012 | 12 | 12 | #9,637 |
| 2011 | 7 | 7 | #14,637 |
| 2009 | 6 | 6 | #16,997 |
| 2008 | 11 | 11 | #10,696 |
| 2007 | 16 | 16 | #8,040 |
| 2003 | 5 | 5 | #18,028 |