Girls' name · since 1983

Siera

Siera has 2,543 recorded births since 1983 in federal Social Security data, most heavily in 1998 -- full year-by-year trend, decade aggregates, and state rankings follow.

#3,999 of 72,339
all-time among girls
#12,278 of 17,297
2025 SSA year
2,543
born since 1983
1990s
peak decade

Siera currently ranks #12278 among girls' names in America, with 2,543 babies recorded since 1983.

Siera has 2,543 recorded births among girls since 1983, per the U.S. Social Security Administration, ranked #12278 as of the latest data, more common than 29% of girls, busiest in the 1990s -- see the year-by-year trends, decade totals, and state-level distribution below, all drawn directly from SSA birth-registration files spanning 1983 to 2025.

  • #3,999 of 72,339 all-time among girls
  • #12,278 of 17,297 2025 SSA year
  • 2,543 born since 1983
  • 1990s peak decade

Data updated Aug 2026

The verdict

According to the U.S. Social Security Administration, Siera ranks #3,999 of 72,339 girls' names by all-time recorded births (highest first) and #12,278 of 17,297 among girls' names in 2025. 2,543 born since 1983, peaking in the 1990s.

#3,999 of 72,339
all-time among girls
#12,278 of 17,297
2025 SSA year
2,543
born since 1983
1990s
peak decade
0%100%Median name50%29%
Siera vs. every other girls name in current SSA rankings
Above the archive median
All-time archive position

Siera's 2,543 recorded births place it above 94.47% of the 72,339 girls names in the full SSA archive.

28 jurisdictions
State-record footprint

28 jurisdictions carry state-level records, led by California.

How Siera compares

2,543 Top 20% higher than 80% of 17,297 names currently given to girls

Based on all-time total births among currently-ranked girls names. Names with fewer occurrences are grouped into wider buckets on the right.

Source U.S. Social Security Administration, national baby name data

How the numbers stack up

Siera's all-time total is 7x the median girls name, and Olivia still leads by a wide margin.

Metric Siera Median girls name (Kyann) #1 girls name (Olivia)
All-time total births 2,543 376 567,345
Peak-year births 150 21 19,840

Siera's usage pattern, beyond the headline number

Divide Siera's SSA record in two at 2002 and the more recent half accounts for 28% of all births, the earlier half the remaining 72%, consistent with a name more common in the past than in recent years. Its calmest year was 1983, with only 5 births recorded -- set against the 1998 peak of 150, that's the full swing in one name's fortunes.

Siera popularity over time

Annual U.S. births registered with the Social Security Administration · 1983–2025

Outside the top 1,000
Peak year (1998)
150
Annual births at peak, across 43 years of records
050100150200 198319881993199820032008201320202025 7

Siera by decade

1990s is the heaviest window (1,246 births, 49% of the file).

1990s was Siera's strongest decade.

1,246 babies received the name during that ten-year window, about 49% of all-time use.

Siera births by decade

Total births in each ten-year window

births

What this shows Peak: 1990s at 1,246 births (49% of all-time use).

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

How Siera compares to similarly-sized names

Years in SSA records vs. share of all-time use concentrated in the single peak year, among 15 girls names closest to Siera's total volume

Siera vs 15 similarly-sized girls names Scatter plot of 16 data points. 0%5%10%15%20%25% 050100150 New & already peakedOld name, single-era peakNew & still diversifyingLong history, steady all along Years in SSA records % of total births in the single peak year -26, 11.6%-47, 4.8%-38, 5%-32, 7.6%-40, 5.6%-72, 3.9%-22, 22.8%-35, 4.8%-113, 3.3%-111, 9.8%-126, 2.3%-67, 4.3%-52, 4.1%-136, 2%-89, 2.6%Siera-43, 5.9%Siera
Siera vs 15 similarly-sized girls names

Siera by state

Where Siera concentrates geographically, total births since 1983

Geographically diffuse
Top 8 states by recorded births for the name Siera
Rank State Visual share Births Share of total
#1 California
198 7.8%
#2 Florida
134 5.3%
#3 Ohio
129 5.1%
#4 Texas
76 3.0%
#5 New York
73 2.9%
#6 Michigan
64 2.5%
#7 Indiana
55 2.2%
#8 North Carolina
40 1.6%
California share of Siera's total US births 7.8%
Even split

198 of 2,543 births nationwide. Compared to a flat distribution across 28 reporting states.

Siera appears in 28 states. Explore state details →

Frequently Asked Questions

How popular is the name Siera?
2,543 babies have been named Siera since 1983. All-time, it sits at #3,999 of 72,339 girls' names by recorded births. In 2025, it ranks #12,278 of 17,297 among girls. The peak year was 1998 with 150 births.
Where does Siera sit in the SSA name archive?
According to the U.S. Social Security Administration, Siera ranks #3,999 of 72,339 girls' names by all-time recorded births (highest first) and #12,278 of 17,297 among girls' names in 2025. All-time ordinal matches browse popularity (total births DESC); the current ordinal uses the 2025 SSA file. See /methodology#corpus-placement.
When was Siera most popular?
Siera was most popular in the 1990s decade with 1,246 total births. The single peak year was 1998.
Where is Siera most popular?
The top states for the name Siera are California (198 births), Florida (134 births), Ohio (129 births).
How long has the name Siera been used?
Siera has been recorded in Social Security data since 1983, spanning 43 years of data through 2025.
What names are similar to Siera?
Names with a similar sound or spelling include Sierra, Sienna, Siena, Sierrah, and 4 more. These share a common prefix and are also used for girls.

What to do with Siera's data

  • Siera's decade-level peak was the 1990s (1,246 total births); usage has since declined to 29 in the 2020s -- if you're weighing a "classic revival" angle, the trend line argues against it.
  • California records the most Sieras (198 births) -- see the full state breakdown if geography matters to your decision. California names

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

Keep exploring Siera

Nearby Names Like Siera

Names with a similar sound, spelling, or feel to Siera

Names with a similar popularity rank to Siera

Nationwide names with similar peak year or record span

Two nationwide peer axes for Siera: closest SSA peak year, and closest first→latest record span. Distinct from the spelling and current-rank neighborhoods above.

Peak year is the single SSA year with the most births for that name; record span is first-to-latest year in the national files, not a recommendation or shared origin claim.

Data Sources

Data as of August 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, 1983–2025 (ssa.gov/oact/babynames).

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

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 Siera 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 August 2026.