Boy name
Kaisen
Kaisen holds the #800 spot on the 2025 list of the most popular boy names in the U.S. That amounts to 311 newborn boys in a single year. The name is on the way up, moving from #1051 in 2020 to #800 today. Remarkably, 2025 is the strongest year in the entire SSA record for Kaisen, which stretches back to 2004. The name's biggest fan base is in Mississippi (#157 there in 2025).
Rankings
2025 rank
#800
among boy names
Trend
Rising
last 5 years
All-time peak
#800
in 2025 (2020s)
Babies in 2025
311
boys named Kaisen
Kaisen popularity, 1880–2025
Where Kaisen is most popular
Share of boys born in 2025:lowhighno data (< 5 births)
Strongest states: Mississippi (#157), West Virginia (#330), Alabama (#375)
Uniqueness score
49/ 100Balanced
everywhereone of a kind
Well known, but far from crowded — the middle of the field. Based on how many babies per birth were named Kaisen in the most recent year of SSA data.
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