Total births
13
Unisex name · since 1981
Siu
13 babies named Siu in U.S. Social Security records since 1981, with the highest year being 1982. Year-by-year trend, decade aggregates, and state-level rankings drawn from federal birth data.
- 13
- total births
- 1981–1982
- years on record
- 1980s
- peak decade
- 100%
- born in that decade
13 girls have been named Siu since 1981, though it isn't currently a top-ranked name.
According to the U.S. Social Security Administration, Siu has been recorded 13 times among girls since 1981, though it is not among the currently most-used girls names, with its heaviest use in the 1980s. This profile covers year-by-year birth trends, decade totals, and state-level distribution, all derived directly from SSA birth-registration files spanning 1981 to 1982.
- 13 total births
- 1981–1982 years on record
- 1980s peak decade
- 100% born in that decade
Data updated Jun 2026
The verdict
13 girls have been named Siu since 1981, peaking in the 1980s, last recorded in 1982.
- 13
- total births
- 1981–1982
- years on record
- 1980s
- peak decade
- 100%
- born in that decade
1980s
Peak decade
100% of everyone ever named Siu was born in this single decade.
1982
Single peak year
8 babies were named Siu in 1982 - its busiest year on record.
Siu's usage pattern, beyond the headline number
Siu splits its recorded history at 1982: 62% of all births land in the more recent half, 38% in the earlier half, a lean toward present-day use rather than a passing spike. The single quietest year was 1981 (5 births) -- compare that against the 1982 peak of 8 for a sense of just how much the name's popularity has swung.
Siu at a glance
Last recorded 1982Peak year
1982
Current rank
Unranked
Active since
1981
Siu popularity over time - girls
Annual U.S. births registered with the Social Security Administration · 1981–1982
- Peak year (1982)
- 8
- Annual births at peak, across 2 years of records
Siu popularity over time - boys
5 total births recorded since 1991 (Siu as boys' name)
Siu by decade
Total births in each ten-year window, peak vs trough at a glance
1980s was Siu's strongest decade.
13 babies received the name during that ten-year window, about 100% of all-time use.
Siu births by decade
Total births in each ten-year window
- 1980s
1980s
13 births
What this shows Peak: 1980s at 13 births (100% of all-time use).
Frequently Asked Questions
How popular is the name Siu? ▼
Siu has been given to 13 babies in the U.S. since 1981, according to SSA data. Its last appearance in the data was 1982. 8 babies were born in 1982, its single highest year.
When was Siu most popular? ▼
Siu was most popular in the 1980s decade with 13 total births. The single peak year was 1982.
Is Siu a unisex name? ▼
Yes, Siu is used for both boys and girls. As a girl's name it has 13 births, and as a boy's name it has 5 births.
How long has the name Siu been used? ▼
Records for Siu go back to 1981, giving 2 years of history through 1982.
Keep exploring Siu
Related Names
Names with a similar number of total births
Data Sources
Data as of June 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, 1981–1982 (ssa.gov/oact/babynames).
State-level: Source: U.S. Social Security Administration, Baby Names, State-Level Files (namesbystate.zip).
Cite this page
NameAlmanac Editorial. "Siu: Baby Name Since 1981 - 13 Births, Peak 1982." NameAlmanac. Accessed via https://namealmanac.com/name/siu. 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 Siu 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 June 2026.