Total births
29
Girls' name · since 1953
Sioux
Since 1953, U.S. Social Security records show 29 babies named Sioux, peaking in 1955. See the year-by-year trend, decade totals, and state rankings below, sourced from federal birth data.
- 29
- total births
- 1953–1997
- years on record
- 1950s
- peak decade
- 66%
- born in that decade
29 girls have been named Sioux since 1953, though it isn't currently a top-ranked name.
According to the U.S. Social Security Administration, Sioux has been recorded 29 times among girls since 1953, though it is not among the currently most-used girls names, with its heaviest use in the 1950s. This profile covers year-by-year birth trends, decade totals, and state-level distribution, all derived directly from SSA birth-registration files spanning 1953 to 1997.
- 29 total births
- 1953–1997 years on record
- 1950s peak decade
- 66% born in that decade
Data updated Jul 2026
The verdict
29 girls have been named Sioux since 1953, peaking in the 1950s, last recorded in 1997.
- 29
- total births
- 1953–1997
- years on record
- 1950s
- peak decade
- 66%
- born in that decade
1950s
Peak decade
66% of everyone ever named Sioux was born in this single decade.
1955
Single peak year
7 babies were named Sioux in 1955 - its busiest year on record.
Sioux's usage pattern, beyond the headline number
Splitting Sioux's full recorded timeline at 1959, 59% of its total births fall in the more recent half of the record versus 41% in the earlier half -- a fairly even split across the full record. Its quietest year on record was 1953, with just 5 recorded births -- worth weighing against the 1955 peak of 7 to see the full range of the name's swing in popularity.
Sioux at a glance
Last recorded 1997Peak year
1955
Current rank
Unranked
Active since
1953
Sioux popularity over time
Annual U.S. births registered with the Social Security Administration · 1953–1997
- Peak year (1955)
- 7
- Annual births at peak, across 45 years of records
Sioux by decade
Total births in each ten-year window, peak vs trough at a glance
1950s was Sioux's strongest decade.
19 babies received the name during that ten-year window, about 66% of all-time use.
Sioux births by decade
Total births in each ten-year window
- 1950s
1950s
19 births
- 1990s
1990s
10 births
What this shows Peak: 1950s at 19 births (66% of all-time use).
Frequently Asked Questions
How popular is the name Sioux? ▼
Since 1953, Social Security records show 29 babies named Sioux. The most recent recorded year was 1997. Its busiest year on record was 1955, with 7 births.
When was Sioux most popular? ▼
Sioux was most popular in the 1950s decade with 19 total births. The single peak year was 1955.
How long has the name Sioux been used? ▼
Sioux has been recorded in Social Security data since 1953, spanning 45 years of data through 1997.
What names are similar to Sioux? ▼
Names with a similar sound or spelling include Siobhan, Siomara, Siona, Sion, and 4 more. These share a common prefix and are also used for girls.
What to do with Sioux's data
- Sioux's usage has stayed within range of its 1950s decade-level peak (19 total births) through the 1990s (10) -- a comparatively stable name, not a fading trend.
- 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 Sioux
Nearby Names Like Sioux
Names with a similar sound, spelling, or feel to Sioux
Siobhan Girl
#1931 7,399 births
Siomara Girl
716 births
Siona Girl
#7481 392 births
Sion Girl
#16218 85 births
Siobahn Girl
82 births
Compare Sioux side by side: Sioux vs Siobhan Sioux vs Siomara Sioux vs Siona
Related Names
Names with a similar number of total births
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, 1953–1997 (ssa.gov/oact/babynames).
State-level: Source: U.S. Social Security Administration, Baby Names, State-Level Files (namesbystate.zip).
Cite this page
NameAlmanac Editorial. "Sioux: Baby Name Since 1953 - 29 Births, Peak 1955." NameAlmanac. Accessed via https://namealmanac.com/name/sioux. 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 Sioux 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.