MallowbyNames

Kaisan

KAY-san · Of uncertain origin; possibly a modern blend of Kai and names ending in -san, or a variant of Kayson.

2025 rank (boys)
#8,243
Babies named in 2025
9
Peak popularity
2020
2025 frequency
1 in 189,786 boys
Usually for
Boys
Trend
Rising since 2009

Rising since 2009, #8,243 for boys today.

Popularity of Kaisan since 2009

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

491320102020Most births 2020Boys
Data table (by decade)
DecadeBoys
2000s7
2010s48
2020s56

Meaning & origin

Kaisan is a modern American name that first appeared in Social Security records in 2009, reflecting contemporary naming trends that favor distinctive, phonetically appealing coinages. Its rank of 8,243 in 2025 places it among rare choices, with approximately 1 in 189,786 newborns receiving the name that year. The name reached its peak popularity in 2020, though it has remained relatively uncommon. As a rising name since 2009, Kaisan fits a pattern of invented names that blend popular sounds, such as the Kai- prefix found in names like Kaden and Kaison. While it has no recorded top states, its usage appears scattered across the country. The name's etymology is uncertain, but it likely draws from the same creative well as other modern -san endings.

Kaisan first appeared in U.S. records in 2009. It appears to be a modern coinage, possibly formed from the popular prefix Kai- combined with the fashionable -san or -son suffix, as seen in names like Kayson and Jasan. The name has no known historical etymology and is not tied to any traditional naming convention.

Nicknames & variants

Nicknames: Kai

Variants: Kaysan, Kayson

Sibling names for Kaisan

Names that share Kaisan's style, for a brother or sister.

Sisters: Kaiya, Maya, Aria, Leila, Zara

Brothers: Kaden, Jayden, Liam, Ethan, Noah

A parent animal hugging its little one, the personalized name page

K is for Kaisan, our favorite little boy.

K is for Kaisan…”

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

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Questions parents ask

What does the name Kaisan mean?
The meaning is uncertain. It is a modern name with no established definition, possibly a blend of Kai and a popular suffix.
How popular is Kaisan?
As of 2025, Kaisan ranks 8,243 in the U.S., with about 1 in 189,786 newborns receiving the name. Its most popular year was 2020.
Is Kaisan a boy or girl name?
Kaisan is primarily used for boys.