Peak popularity
2008
Usually for
Boys
Trend
Holding steady
Holding steady.
Popularity of Kosei since 2000
Babies named Kosei per year in U.S. Social Security records.
Data table (by decade)
| Decade | Boys |
|---|---|
| 2000s | 40 |
| 2010s | 43 |
| 2020s | 7 |
K is for Kosei, our favorite little boy.
“K is for Kosei…”
In a Mallowby alphabet book, Kosei's letter becomes Kosei's page: hand-illustrated, printed hardcover or paperback, made just for them.
Make Kosei's bookBooks for siblings or grandkids? The second book is 15% off.