Total births
304
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.
- #9243
- among boys today
- 304
- born since 1980
- 2010s
- peak decade
- 35%
- more common than other boys
Yes -- Siaosi is the #9243 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 #9243 nationally today, ahead of 35% 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.
- #9243 among boys today
- 304 born since 1980
- 2010s peak decade
- 35% more common than other boys
Data updated Jul 2026
The verdict
Siaosi is currently the #9243 boys' name in America, more common than 35% of boys - 304 born since 1980, peaking in the 2010s.
- #9243
- among boys today
- 304
- born since 1980
- 2010s
- peak decade
- 35%
- more common than other boys
Siaosi vs. every other boys name in current SSA rankings
#9243
of 14,294 boys in use
More common than 35% of names given to boys today.
2010s
Peak decade
32% of everyone ever named Siaosi was born in this single decade.
2015
Single peak year
13 babies were named Siaosi in 2015 - its busiest year on record.
How Siaosi compares
304 46th percentile among 14,294 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 17% below the median boys name, and Liam still leads by a wide margin.
| Metric | Siaosi | Median boys name (Elchonon) | #1 boys name (Liam) |
|---|---|---|---|
| All-time total births | 304 | 367 | 358,536 |
| Peak-year births | 13 | 23 | 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 at a glance
Outside the top 1,000Peak year
2015
Current rank
#9,243
Active since
1980
Siaosi popularity over time
Annual U.S. births registered with the Social Security Administration · 1980–2025
- Peak year (2015)
- 13
- Annual births at peak, across 46 years of records
Siaosi by decade
Total births in each ten-year window, peak vs trough at a glance
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
- 1980s 34
1980s
34 births
- 1990s
1990s
50 births
- 2000s
2000s
81 births
- 2010s
2010s
96 births
- 2020s
2020s
43 births
What this shows Peak: 2010s at 96 births (32% of all-time use).
Siaosi by state
Where Siaosi concentrates geographically, total births since 1980
| 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. It currently ranks #9243 among boys. The peak year was 2015 with 13 births.
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
- 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.
Keep exploring Siaosi
Nearby Names Like Siaosi
Names with a similar sound, spelling, or feel to Siaosi
Siah Boy
#4519 364 births
Sian Boy
#8624 172 births
Siam Boy
#6998 107 births
Siar Boy
#6800 80 births
Siaire Boy
#6808 67 births
Compare Siaosi side by side: Siaosi vs Siah Siaosi vs Sian Siaosi vs Siam
Related Names
Names with a similar popularity rank to Siaosi
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, 1980–2025 (ssa.gov/oact/babynames).
State-level: Source: U.S. Social Security Administration, Baby Names, State-Level Files (namesbystate.zip).
Cite this page
NameAlmanac Editorial. "Siaosi: #9243 Boys' Name - 304 Births, Peak 2015." NameAlmanac. Accessed via https://namealmanac.com/name/siaosi. 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 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 July 2026.