A reliable meaning for Siam isn’t established in our sources yet. Rather than guess, we show what is recorded: how the name is used, how often, and the names it’s connected to.
The story
Published U.S. birth records include this spelling as early as 1987. This is the earliest published observation available here, rather than a date for the name’s origin.
From dated birth records
Siam through the years
Babies since 1880
107
107 boys · 0 girls
Most popular year
2024
12 babies
2025
5
#13,607 for boys
2021–25 vs 2016–20
+100%
Rising fast
Siam in U.S. Social Security birth records, 1987–2025, per million boys born. Years with fewer than five births for a sex are not published and appear as zero. Use the arrow keys to step through years.
By the numbers
In 2025, this name appeared in 5 U.S. birth records for boys, ranking No. 13,607 among boys’ names. The recent annual counts are too incomplete to establish a ten-year comparison. Published U.S. population figures for this spelling include 295 as a first name in 2020; 661 as a surname in 2020.
From Social Security birth records and U.S. Census name counts for this exact spelling. Other spellings are counted separately.