Sioux
Girl nameSioux has been given to 29 babies in the U.S. since 1953. It peaked in 1955.
Popularity over time births per year, 1880–2025
Total babies
29
Peak year
1955 (7 babies)
Rank in 2025
Below top 1000
First recorded
1953
10-year trend
New / returning
Gender split
All girls
Names with a similar vibe
Same primary gender, peaked around the same years, and roughly as common as Sioux.
Sibling name ideas for Sioux
Same era and popularity as Sioux, avoiding matching initials or rhymes.
FAQ
How popular is the name Sioux?
Sioux has been given to 29 babies in the U.S. since 1953. It ranked below the top 1000 in 2025.
When did the name Sioux peak?
Sioux peaked in 1955, when 7 babies were given the name.
Is Sioux a girl or boy name?
Sioux is primarily a girl name (100% of babies named Sioux are girls).
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