Kaiyu

A boy's name first recorded in U.S. data in 2001. Meaning & origin entry coming soon.

2025 rank (boys)

#12,008

Babies named in 2025

Peak popularity

2002

2025 frequency

1 in 341,615 boys

Usually for

Boys

Trend

Rising since 2020

Rising since 2020, #12,008 for boys today.

Popularity of Kaiyu since 2001

Babies named Kaiyu per year in U.S. Social Security records.

Data table (by decade)

K is for Kaiyu, our favorite little boy.

In a Mallowby alphabet book, Kaiyu's letter becomes Kaiyu's page: hand-illustrated, printed hardcover or paperback, made just for them.

Books for siblings or grandkids? The second book is 15% off.