MallowbyNames

Siam

SY-am · Of uncertain meaning; possibly derived from the Sanskrit श्याम (shyama) meaning 'dark' or 'brown', or from the Thai word สยาม (Sayam) referring to the historical kingdom of Siam.

2025 rank (boys)
#12,008
Babies named in 2025
5
Peak popularity
2024
2025 frequency
1 in 341,615 boys
Usually for
Boys
Trend
Rising since 2017

Rising since 2017, #12,008 for boys today.

Popularity of Siam since 1987

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

48121990200020102020Most births 2024Boys
Data table (by decade)
DecadeBoys
1980s5
1990s0
2000s28
2010s29
2020s45

Meaning & origin

Siam is a rare name in the United States, first appearing in records in 1987. By 2025, it had risen to a rank of 12,008, with an incidence of about 1 in 341,615. Its peak year so far is 2024, and it has been on a rising trajectory since 2017. The name is still uncommon across all states, with no top states listed. As a direct reference to the former name of Thailand, Siam carries cultural weight but remains a unique choice for parents seeking an exotic yet historically grounded name. Its etymology is debated, offering dual possibilities from Sanskrit or Thai origins, but in modern usage it is predominantly tied to the Southeast Asian kingdom. The name's recent upward trend suggests a growing, though still niche, interest among American parents.

The name Siam is primarily associated with the historical name for Thailand, formerly known as Siam. The origin of the word itself is debated: it may derive from the Sanskrit श्याम (shyama), meaning 'dark' or 'brown', referencing the skin color of the region's inhabitants, or from the Thai phrase "siam" meaning 'gold' or 'golden'. As a personal name, Siam is rare but used occasionally, especially among families with ties to Southeast Asia or those seeking a culturally significant name.

Siam” around the world

Where Siam lands in the latest official birth statistics abroad, matched to the U.S. spelling.

  • France

    5

    babies in 2024

Sources: INSEE (France).

Sibling names for Siam

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

Sisters: Thailand, Asia, Indi, Panya, Ratana

Brothers: Thai, Kiet, Chai, Sak, Anan

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

S is for Siam, our favorite little boy.

S is for Siam…”

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

Make Siam's book

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

Questions parents ask

What is the meaning of the name Siam?
The name Siam is of uncertain meaning, but it is most commonly associated with the historical name of Thailand. It may derive from the Sanskrit word 'shyama' meaning 'dark' or 'brown', or from the Thai word for 'gold'.
How popular is the name Siam currently?
Siam is quite rare. In 2025, it ranked 12,008 in the United States, with approximately 1 in 341,615 newborns given the name. Its popularity has been rising since 2017.
Is Siam a boy's name or a girl's name?
Siam is typically used as a boy's name, though it could be considered unisex due to its cultural origin as a place name.