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The name Sia peaked for boys at #9425 in 1991. Sia is occasionally used for girls in 2025.

The name Sia is a girl's name meaning "Victory".

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Mia, Gia, and now Sia! 

Born Sia Kate Isobelle Furler, the Australian singer-songwriter scored a major international hit with "Chandelier" in 2014, and put her short, uncommon name on the radar. 

Sia can be a variation of the many Old Norse names derived from the element sigr, victory. But it could also be short for names like Sophia, Sienna, and Cecilia. One of those <a href="https://nameberry.com/baby-name-lists/category/unusual-names">uncommon names</a> that also simple and approachable.

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The name Sia peaked for girls at #1107 in 2025. The name is most popular in SIA, SIA, and SIA. Sia is occasionally used for boys in 1991.

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