MallowbyNames

Siah

SY-uh · Of uncertain origin; possibly a variant of Sia, a name from multiple cultures.

2025 rank (boys)
#3,848
Babies named in 2025
28
Peak popularity
2021
2025 frequency
1 in 61,003 boys
Usually for
Girls & boys
Trend
Rising since 2003

Rising since 2003, #3,848 for boys today.

Popularity of Siah since 1999

Babies named Siah per year in U.S. Social Security records.

112334200020102020Most births 2021GirlsBoys
GirlsBoys
Data table (by decade)
DecadeGirlsBoys
1990s08
2000s6239
2010s89147
2020s71170

Meaning & origin

Siah is a modern unisex name that first appeared in U.S. records in 1999. It reached a peak rank of 3848 in 2025, with a 1-in-61003 chance of being selected. The name has been rising in use since 2003, reflecting a broader trend toward short, vowel-ending names. Its top state is California, where it is most frequent. Siah is likely a creative respelling of names like Sia or Ziah, giving it a contemporary and streamlined feel.

Siah is a modern coinage, likely a respelling or diminutive of names like Sia, or a creative variant of Ziah. It first appeared in U.S. records in 1999 and has seen occasional use for both boys and girls.

Where Siah is most popular

Births per 100,000 boys by state, 2025. The lightest shade means too few recorded births.

Nicknames & variants

Variants: Sia, Ziah

Sibling names for Siah

Names that share Siah's style, for a brother or sister.

Sisters: Mila, Nova, Elia, Aria, Lena

Brothers: Kai, Milo, Ezra, Theo, Jude

A parent animal hugging its little one, the personalized name page

S is for Siah, our favorite little person.

S is for Siah…”

In a Mallowby alphabet book, Siah's letter becomes Siah's page: hand-illustrated, printed hardcover or paperback, made just for them.

Make Siah's book

Books for siblings or grandkids? The second book is 15% off.

Questions parents ask

What does the name Siah mean?
The meaning is uncertain; it is often considered a modern variant of Sia or a creative invention.
How popular is Siah currently?
In 2025, Siah was ranked 3848th in the U.S., with a 1-in-61003 chance of being chosen.
Is Siah a boy or girl name?
Siah is used as a unisex name, though it is more commonly given to girls based on recent data.