Namebino · Girl names · Boy names
Girl's name · #1107 in the US (2025) · Trending
Sia is climbing: on the charts since 1968, it reached #1107 in 2025 — its strongest showing yet, with about 220 girls given the name last year. Roughly 2,800 have carried it all-time.
See where Sia is more common.
Appears in 2020-2025 birth records of 15 states. See the full state-by-state map on this page.
See how Sia ranks in other countries and regions.
#96 in Slovenia (2025) · #264 in New Zealand (2025) · #460 in Sweden (2025) · #503 in Switzerland (2025) · #600 in Ireland (2025) · #628 in England & Wales (2025) · #647 in Belgium (2025) · #737 in Netherlands (2025) · #974 in France (2025) · #368 in Canada (2024).
Among 38 notable people named Sia:
Entertainers appear 2.89× more often than among typical names — e.g. Sia, Australian singer and songwriter (born 1975).
Together with its spelling variant Siya (#879), Sia would rank around #574 with about 520 births last year — the newborns split about 59/41 between Siya and Sia.
Similar names: Siya · Ripley · Zylah · Liya · Kit · Jia
Browse more girl names — popularity, trends and eras for 5,700+ American names, free.