Girls' name · since 2003

Siennah

Since 2003, U.S. Social Security records show 129 babies named Siennah, peaking in 2007. See the year-by-year trend, decade totals, and state rankings below, sourced from federal birth data.

129
total births
2003–2025
years on record
2010s
peak decade
46%
born in that decade

129 girls have been named Siennah since 2003, though it isn't currently a top-ranked name.

According to the U.S. Social Security Administration, Siennah has been recorded 129 times among girls since 2003, though it is not among the currently most-used girls names, with its heaviest use in the 2010s. This profile covers year-by-year birth trends, decade totals, and state-level distribution, all derived directly from SSA birth-registration files spanning 2003 to 2025.

  • 129 total births
  • 2003–2025 years on record
  • 2010s peak decade
  • 46% born in that decade

Data updated Jul 2026

The verdict

129 girls have been named Siennah since 2003, peaking in the 2010s, last recorded in 2025.

129
total births
2003–2025
years on record
2010s
peak decade
46%
born in that decade
2010s
Peak decade

46% of everyone ever named Siennah was born in this single decade.

2007
Single peak year

16 babies were named Siennah in 2007 - its busiest year on record.

Siennah's usage pattern, beyond the headline number

Siennah splits its recorded history at 2016: 47% of all births land in the more recent half, 53% in the earlier half, an evenly balanced pattern over time. The single quietest year was 2003 (5 births) -- compare that against the 2007 peak of 16 for a sense of just how much the name's popularity has swung.

Siennah at a glance

Last recorded 2025

Total births

129

Since 2003

23 years of records

Peak year

2007

16 births that year

Strongest decade: 2010s

Current rank

Unranked

Outside the modern top-1,000

As of 2025

Active since

2003

Recorded for 23 years

Last year on file: 2025

Siennah popularity over time

Annual U.S. births registered with the Social Security Administration · 2003–2025

Last recorded 2025
Peak year (2007)
16
Annual births at peak, across 23 years of records
05101520 200320082011201320162018202120232025 11

Siennah by decade

Total births in each ten-year window, peak vs trough at a glance

2010s was Siennah's strongest decade.

59 babies received the name during that ten-year window, about 46% of all-time use.

Siennah births by decade

Total births in each ten-year window

births

What this shows Peak: 2010s at 59 births (46% of all-time use).

Source U.S. Social Security Administration · Baby Names As of July 2026

Siennah by state

Where Siennah concentrates geographically, total births since 2003

Geographically diffuse
Top 1 states by recorded births for the name Siennah
Rank State Visual share Births Share of total
#1 California
5 3.9%
California share of Siennah's total US births 3.9%

5 of 129 births nationwide.

Frequently Asked Questions

How popular is the name Siennah?
129 babies have been named Siennah since 2003. It was last recorded in 2025. The peak year was 2007 with 16 births.
When was Siennah most popular?
Siennah was most popular in the 2010s decade with 59 total births. The single peak year was 2007.
Where is Siennah most popular?
The top states for the name Siennah are California (5 births).
How long has the name Siennah been used?
The SSA has tracked Siennah since 2003 -- 23 years through the most recent 2025 data.
What names are similar to Siennah?
Names with a similar sound or spelling include Sierra, Sienna, Siena, Siera, and 4 more. These share a common prefix and are also used for girls.

What to do with Siennah's data

  • Siennah's usage has stayed within range of its 2010s decade-level peak (59 total births) through the 2020s (32) -- a comparatively stable name, not a fading trend.
  • California records the most Siennahs (5 births) -- see the full state breakdown if geography matters to your decision. California names
  • Weighing it against an alternative? Put two names side by side. Compare names

Figures reflect SSA-reported births only; see the methodology above for the privacy-suppression floor.

Data Sources

Data as of July 2026. Source: U.S. Social Security Administration (SSA).

According to the Social Security Administration, this profile draws directly from the agency's public-use baby-name files (updated June 2026). See our methodology for the full extraction, aggregation, and privacy-suppression rules.

Primary: Source: U.S. Social Security Administration, Baby Names from Social Security Card Applications, National Data, 2003–2025 (ssa.gov/oact/babynames).

State-level: Source: U.S. Social Security Administration, Baby Names, State-Level Files (namesbystate.zip).

Cite this page

NameAlmanac Editorial. "Siennah: Baby Name Since 2003 - 129 Births, Peak 2007." NameAlmanac. Accessed via https://namealmanac.com/name/siennah. Licensed CC BY-SA 4.0.

Name Almanac is rendered directly from the Social Security Administration's public baby-name files, no number is typed in by an editor. This profile for Siennah draws directly on SSA national and state-level files, no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of July 2026.