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NamyLab

Kaisei

male
Updated 6 months ago

Meaning

"Pure"

A Japanese given name whose meaning depends on chosen kanji, so a single fixed gloss cannot be assumed.

Themes:japanesegivenmodernkanji
UniqueRare

Fact-checked by Lily Anderson

M.F.A. Creative Writing, Sarah LawrencePublished NovelistName Collection Curator • Creative Names Editor

This name has been verified against authoritative sources including SSA data, etymology databases, and cultural naming traditions.

Popularity History of Kaisei

Full SSA rank history from 1880 to 2024

#8626Ranked nationally
SSA did not record this spelling in the national rankings for the available chart years. Names used fewer than 5 times in a year are omitted from the dataset.

Yearly Ranking Snapshot

Pick any SSA release year to inspect that year's national ranking and how it changed from the year before.

Selected Year Rank
Unranked

Kaisei did not appear in the national SSA rankings for 2024.

Change Vs Previous Year
--

no national rank in 2024

Data Source

Popularity rankings are based on official data from the Social Security Administration (SSA), which tracks baby name applications in the United States.

Last updated: 2024 • Data source updated annually

Kaisei Nicknames

Familiar short forms, playful variations, and easy everyday options for Kaisei.

8 ideas
kais
Nickname
kaiy
Nickname
isei
Nickname
isey
Nickname
seiy
Nickname
kie
Nickname
ky
Nickname
ko
Nickname

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Baby Name Lists That Include Kaisei

Browse every Namylab list page that currently includes Kaisei, from meaning and origin collections to letter, syllable, and themed baby name lists.

10 linked lists

❓ Frequently Asked Questions

What does the name Kaisei mean?
Kaisei means "Pure". A Japanese given name whose meaning depends on chosen kanji, so a single fixed gloss cannot be assumed.
What is the origin of Kaisei?
Kaisei is of Japanese origin. The name has been used historically across cultures and carries significant cultural meaning within its origin tradition.
How popular is the name Kaisei?
According to the latest SSA data, Kaisei is currently ranked #8626 in the United States. The name has shown interesting trends over the past century, with popularity varying based on cultural preferences and naming trends.
Is Kaisei a boy name?
Kaisei is traditionally a boy name. However, modern naming practices are increasingly flexible, and names can be used across genders based on personal preference.
What are good nicknames for Kaisei?
Popular nicknames for Kaisei include kais, kaiy, isei, isey, and more. These offer shorter, more casual alternatives for everyday use.
What names are similar to Kaisei?
There are many names similar to Kaisei in meaning, origin, or sound. Explore the Similar Names section to discover alternatives that may resonate with you.

Quick Facts

OriginJapanese
Syllables2
Length6 letters
US Rank#8626
Trend→ Stable
Starts withK

Sibling Ideas

Explore More Boy Names Like Kaisei

Kaisei has Japanese roots, making it a wonderful choice if you love names from this heritage. Discover more options in our Japanese baby names collection, where you'll find hundreds of names with similar cultural depth.

Kaisei appears in several of our curated collections. Check out Unique Baby Names and Japanese Baby Names for more names with a similar feel. You might also enjoy browsing Names That Mean The End for Boys and Girls and Baby Names Starting with K.

Before you decide, try our Full Name Preview to see how Kaisei pairs with your surname. The Sibling Name Matcher can help find names that complement Kaisei beautifully, and the Nickname Predictor reveals the most common short forms.

Explore our full baby name lists for origin-based, meaning-based, and themed collections, or head back to the baby name generator to continue your search.