Noah Boy
NOH-uh
“rest, comfort” · Hebrew
#2
Kaisen
BoyAmerican (modern coinage)· “modern blend of Kai and -sen”
- Meaning
- modern blend of Kai and -sen
- Origin
- American (modern coinage)
- Pronunciation
- KAY-suhn
- Syllables
- 2
- US rank 2025
- #800
- US babies 2025
- 311
- Best rank
- #800 (2025)
- Peak year
- 2025
Meaning and origin of Kaisen
Kaisen is an American (modern coinage) name that is usually said to mean “modern blend of Kai and -sen”.
A recent American coinage, Kaisen blends Kai, a name found in several cultures, with the -sen ending seen in names like Jensen and Hudson. It has no deep etymology of its own; its appeal lies in its sleek sound and contemporary style. The name fits alongside names like Kaiden and Kayson, which share a similar rhythm. It feels bright and energetic, and it is easy to spell and pronounce. Kai is the natural nickname.
Popularity over time
Kaisen first appears in US Social Security records in 2004. It has ranked in the top 1,000 in 4 different years, starting in 2022. It is at its all-time high right now: 2025 brought both its best national rank, #800, and its highest count, 311 babies. Use has grown 217% in ten years.
Its national rank moved from #2,606 in 2010 and #800 in 2025. Of the 2,625 US boys named Kaisen since records began, 56% were born in the 2020s, its biggest decade. The 2010s come next, with 1,023 babies.
Other boys' names that peaked around the same time include Brewer, Mccoy, Calum, Jesiah, and Jeremias.
Where it is most popular (2025)
In 2025, Kaisen ranked highest in Mississippi, West Virginia, and Alabama.
| State | Rank there | Babies |
|---|---|---|
| Mississippi | #163 | 20 |
| West Virginia | #348 | 5 |
| Alabama | #387 | 14 |
| South Carolina | #455 | 11 |
| Louisiana | #509 | 9 |
Gender, sound and spelling
In the US it is used almost only for boys.
Kaisen is usually pronounced KAY-suhn, with two syllables. It has six letters, starts with K and ends in “-en”.
Middle names for Kaisen
A few middle names that flow with Kaisen: each avoids a matching first letter, a rhyme and a vowel clash where the names meet.
Sibling names for Kaisen
Similar names
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Lists that include Kaisen
Frequently asked questions
What does the name Kaisen mean?
Kaisen is an American (modern coinage) name that is usually said to mean “modern blend of Kai and -sen”.
What is the origin of the name Kaisen?
Kaisen has modern American roots. A recent American coinage, Kaisen blends Kai, a name found in several cultures, with the -sen ending seen in names like Jensen and Hudson.
Is Kaisen a popular name?
Yes. Kaisen ranked #800 in the US in 2025, which makes it in the top 1,000.
Is Kaisen a boy or girl name?
Kaisen is mainly a boy's name. In the US it is used almost only for boys.
How do you pronounce Kaisen?
Kaisen is usually pronounced KAY-suhn. Stressed syllables are in capital letters.
Popularity figures come from US Social Security card applications (names given to at least five babies in a year, 1880 to 2025). How we source names and meanings