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Kosei

Kosei is a boy name with a rare feel, drawn from real birth records.

How common is Kosei?

Recorded births named Kosei by country

Country	Births on record
United States since 1880	90 births

Counts come from national birth registrations: the U.S. Social Security Administration, England & Wales (ONS) and Ireland (CSO). Coverage spans differ, so totals aren't directly comparable across countries.

Kosei's popularity over time

Babies named Kosei per year — United States (2000–2020). United States peaked in 2008 (9/yr).

When was Kosei popular?

Kosei reached its peak in 2008, when it was the #20063 most popular baby name in the United States — making it a quintessential 2000s name.

Choosing Kosei — together

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