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.
- #41,505 of 72,339
- all-time among girls
- 29
- born since 1953
- 1950s
- peak 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.
- #41,505 of 72,339 all-time among girls
- 29 born since 1953
- 1950s peak decade
Data updated Aug 2026
The verdict
According to the U.S. Social Security Administration, Sioux ranks #41,505 of 72,339 girls' names by all-time recorded births (highest first). 29 born since 1953, peaking in the 1950s.
- #41,505 of 72,339
- all-time among girls
- 29
- born since 1953
- 1950s
- peak decade
Sioux's 29 recorded births place it above 42.52% of the 72,339 girls names in the full SSA archive.
No state rows cleared SSA’s public reporting threshold for this name.
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 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
1950s is the heaviest window (19 births, 66% of the file).
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? ▼
Where does Sioux sit in the SSA name archive? ▼
When was Sioux most popular? ▼
How long has the name Sioux been used? ▼
What names are similar to Sioux? ▼
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.
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
Compare Sioux side by side: Sioux vs Siobhan Sioux vs Siomara Sioux vs Siona
Related Names
Names with a similar number of total births
Nationwide names with similar peak year or record span
Two nationwide peer axes for Sioux: closest SSA peak year, and closest first→latest record span. Distinct from the spelling and current-rank neighborhoods above.
Similar peak year (~1955)
Similar record span (~44 yrs)
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, 1953–1997 (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 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 August 2026.