Siah

♀ Girl

Pronounced SY-uh /ˈsaɪ.ə/Medium

Meaning: Siah is a short modern name, usually a clipping from Josiah/Isaiah or a respelling of Sia. Some families connect it to the Persian word siah, 'black,' though that link is not the usual U.S. route. Routes uncertain.Low

In 30 seconds: Short and open: Siah is a modern two-beat name clipped from Josiah or Sia (said 'SY-uh'). Routes are uncertain, which we note.

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Origin LowAmerican

MeaningSiah is a short modern name, usually a clipping from Josiah/Isaiah or a respelling of Sia. Some families connect it to the Persian word siah, 'black,' though that link is not the usual U.S. route. Routes uncertain.

U.S. rank (2024)#13235 ↘ Falling

2024 U.S. births7 girls (0.00% of U.S. girls)

Peak year2008

Total births (all-time)≈ 206

Popularity in the U.S. · SSA data

U.S. births per year (Social Security Administration, 1880–present). Pink marker = peak year.

SSA data updated May 2026. How we source & verify this data.

History & Origin

Siah reads as a modern short name: the -siah of Josiah and Isaiah lifted out and used on its own, or a fuller spelling of Sia. A Persian word siah ('black') exists but is unlikely to be the American route. The routes are uncertain, which we note (said 'SY-uh').

It appears only very rarely for girls in the U.S. Very rare, short, and modern.

Did you know? Siah is most often a clipping — the tail end of Josiah or Isaiah standing alone as a name. It is also a respelling of Sia. Routes are uncertain, which we note.

Overall data confidence 30%

References — Siah — Clipping of Josiah/Isaiah or respelling of Sia; routes uncertain

Variations

SiaSyahSya

Nicknames

SiSisi

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Frequently Asked

What does the name Siah mean?

Siah is a short modern name, usually clipped from Josiah or a respelling of Sia. Routes are uncertain, which we note.

How do you pronounce Siah?

It's said SY-uh /ˈsaɪ.ə/ — two syllables, stress on the first.

Is Siah a boy or girl name?

Siah is used for both; here it is a girl's name.

How popular is Siah?

Siah is a very rare name for girls in the U.S.