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Last ranked #10145 in 2020
Peak: #10145 in 2020
Outside top 1000
Last ranked #10145 in 2020
Peak: #10145 in 2020
↑ Higher on this chart = more popular · ↓ Lower = less popular
Rank #10145 · Rising since 2016
This name is given to very few babies each year — it sits outside the range shown in these charts.
Kosei scores lower overall — it's a well-known name in this region.
Scores are percentile-ranked across 43,000+ names.
Kosei beats the neutral-drift null model in 6% of its 16 tracked years — above the random baseline, but not dominant.
Source: Namesake null-model analysis · Phase 5 · Lieberson (2000) framework →
Kosei is a Japanese boy name with steady SSA rankings. Full rank detail will appear once SSA data is linked.
No notable bearers on record.
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Still deciding?
Every naming product helps you find names. Namesake is the only one built to help you choose one.
Score what matters to you. Run names head-to-head. Arrive at the one name you can both explain and defend.
Start the Name Wizard →