Rising since 2017, #12,008 for boys today.
Popularity of Siam since 1987
Babies named Siam per year in U.S. Social Security records.
Data table (by decade)
| Decade | Boys |
|---|---|
| 1980s | 5 |
| 1990s | 0 |
| 2000s | 28 |
| 2010s | 29 |
| 2020s | 45 |
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.

