Spellings

Siya or Sia?

In the US in 2025, 59% of babies in this name family were spelled Siya and 41% Sia. Same name, slightly different impression: here are the figures for each spelling.

Ten years ago

The order has flipped. In 2015, Sia led with 52% of the family's births; in 2025, Siya leads with 59%. All spellings together, the family went from 250 to 519 births (×2).

Births by spelling, 2015 and 2025
Spelling20152025Change
Siya119304×3
Sia131215+64%

How they sound

  • Siya /ˈsiːjə/ (SEE-yuh)
  • Sia /ˈsiə/ (SEE-uh)

In France

In France in 2025: Siya 15 births and Sia 40 births (#884 among girls).

Sources: Social Security Administration (SSA), Insee (France), 2025 data. How we calculate these figures.

Which spelling is yours?

The one-minute style quiz.

Take the quiz