Boys' name · since 1980

Siaosi

304 babies named Siaosi in U.S. Social Security records since 1980, with the highest year being 2015. Year-by-year trend, decade aggregates, and state-level rankings drawn from federal birth data.

#10,499 of 45,481
all-time among boys
#9,972 of 13,930
2025 SSA year
304
born since 1980
2010s
peak decade

Yes -- Siaosi is the #9972 most popular boys' name in the U.S. today, with 304 recorded since 1980.

Social Security Administration records show Siaosi recorded 304 times among boys since 1980, holding rank #9972 nationally today, ahead of 28% of boys, peaking in the 2010s. This profile derives year-by-year birth trends, decade totals, and state-level distribution directly from SSA birth-registration files spanning 1980 to 2025.

  • #10,499 of 45,481 all-time among boys
  • #9,972 of 13,930 2025 SSA year
  • 304 born since 1980
  • 2010s peak decade

Data updated Aug 2026

The verdict

According to the U.S. Social Security Administration, Siaosi ranks #10,499 of 45,481 boys' names by all-time recorded births (highest first) and #9,972 of 13,930 among boys' names in 2025. 304 born since 1980, peaking in the 2010s.

#10,499 of 45,481
all-time among boys
#9,972 of 13,930
2025 SSA year
304
born since 1980
2010s
peak decade
0%100%Median name50%28.4%
Siaosi vs. every other boys name in current SSA rankings
Above the archive median
All-time archive position

Siaosi's 304 recorded births place it above 76.9% of the 45,481 boys names in the full SSA archive.

3 jurisdictions
State-record footprint

The state file records this name in 3 jurisdictions, led by California.

How Siaosi compares

304 46th percentile among 13,930 names currently given to boys

Based on all-time total births among currently-ranked boys 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

Siaosi's all-time total is 18% below the median boys name, and Liam still leads by a wide margin.

Metric Siaosi Median boys name (Takari) #1 boys name (Liam)
All-time total births 304 369 358,536
Peak-year births 13 34 22,252

Siaosi's usage pattern, beyond the headline number

Siaosi splits its recorded history at 2006: 58% of all births land in the more recent half, 42% in the earlier half, an evenly balanced pattern over time. The single quietest year was 1995 (5 births) -- compare that against the 2015 peak of 13 for a sense of just how much the name's popularity has swung.

Siaosi popularity over time

Annual U.S. births registered with the Social Security Administration · 1980–2025

Outside the top 1,000
Peak year (2015)
13
Annual births at peak, across 46 years of records
468101214 198019901996200320082013201820242025 7

Siaosi by decade

2010s is the heaviest window (96 births, 32% of the file).

2010s was Siaosi's strongest decade.

96 babies received the name during that ten-year window, about 32% of all-time use.

Siaosi births by decade

Total births in each ten-year window

births

What this shows Peak: 2010s at 96 births (32% of all-time use).

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

Siaosi by state

Where Siaosi concentrates geographically, total births since 1980

Geographically diffuse
Top 3 states by recorded births for the name Siaosi
Rank State Visual share Births Share of total
#1 California
21 6.9%
#2 Utah
10 3.3%
#3 Hawaii
5 1.6%
California share of Siaosi's total US births 6.9%
Even split

21 of 304 births nationwide. Compared to a flat distribution across 3 reporting states.

Frequently Asked Questions

How popular is the name Siaosi?
304 babies have been named Siaosi since 1980. All-time, it sits at #10,499 of 45,481 boys' names by recorded births. In 2025, it ranks #9,972 of 13,930 among boys. The peak year was 2015 with 13 births.
Where does Siaosi sit in the SSA name archive?
According to the U.S. Social Security Administration, Siaosi ranks #10,499 of 45,481 boys' names by all-time recorded births (highest first) and #9,972 of 13,930 among boys' 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 Siaosi most popular?
Siaosi was most popular in the 2010s decade with 96 total births. The single peak year was 2015.
Where is Siaosi most popular?
The top states for the name Siaosi are California (21 births), Utah (10 births), Hawaii (5 births).
How long has the name Siaosi been used?
Records for Siaosi go back to 1980, giving 46 years of history through 2025.
What names are similar to Siaosi?
Names with a similar sound or spelling include Siah, Sian, Siam, Siar, and 4 more. These share a common prefix and are also used for boys.

What to do with Siaosi's data

  • Siaosi's usage has stayed within range of its 2010s decade-level peak (96 total births) through the 2020s (43) -- a comparatively stable name, not a fading trend.
  • California records the most Siaosis (21 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 Siaosi

Nearby Names Like Siaosi

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

Names with a similar popularity rank to Siaosi

Nationwide names with similar peak year or record span

Two nationwide peer axes for Siaosi: 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, 1980–2025 (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 Siaosi 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.