boy's name
Kaysen
KAY-sun
- Origin American
- Gender Boy
- Letters 6
- Popularity Top 1000 (US)
- Births on record 7,701
the United States
#415
2025 births
Kaysen is a boy's name of modern American coinage, a respelling of Kayson or Cason. It has no inherited meaning: the SON ending genuinely means son of in the surnames it was borrowed from, but there is no Kay it is the son of.
- Kaysen is a name of American origin.
- Peaked in 2025, when 786 babies were given the name.
- It has been rising over the past decade.
- Today about 1 in 4,218 babies in the United States is given this name.
- First appears in US birth records in 1998.
Kaysen over time
Births per decade in the United States, 1990s to 2020s. The striped bar is the 2020s, still in progress — it covers 2020 to 2025, not a full ten years.
Show the numbers
| Decade | Births |
|---|---|
| 1990s | 15 |
| 2000s | 452 |
| 2010s | 3,229 |
| 2020s (to 2025) | 3,379 |
What Kaysen means
Kaysen has no meaning of its own. It is built from a fashionable opening sound and the SON suffix, chosen for how it sits beside Jayden, Mason and Grayson rather than for anything it says.
Where Kaysen comes from
Kaysen belongs to a large family of late twentieth-century American coinages that pair a modern sound with an established ending. The SON element is a real patronymic in Jackson, Harrison and Anderson, where it names an actual father; in Kaysen it carries no descent. Cason exists as a genuine English surname, a variant of Cass or of Casson, and Kaysen and Kayson are respellings of that with the K and the Y doing modern work. Our records show it appearing in 1998 and rising sharply through the 2010s alongside Kayson, Jaxson and Brayson.
Kaysen in use
Kaysen charts in only four of the seven countries we track and reached its highest recorded use in 2025.
How popular is Kaysen?
In 2025, Kaysen was given to 786 babies in the United States, ranking #415 that year. It is a well-established, commonly used name.
Where Kaysen is used
US figures omit any name given to fewer than five babies in a year, so the rarest names are absent from the source rather than absent from use. Data & sources.
Names that peaked alongside Kaysen
These names rose and fell in the same era, which is why they tend to sound like they belong together.
Parents who like Kaysen also like
Names whose popularity has risen and fallen in step with Kaysen over the last century — the same taste, a different name.
1 nickname for Kaysen
Each one is a name in its own right — the figure underneath is how it is doing today, so you can see which short forms are rising and which have faded.
Kaysen in other languages
The same name as it is spelled elsewhere — not shortenings, and not different names that merely sound alike. Each one has its own record here.
Sibling names for Kaysen
Names from the same era that won't rhyme or share an initial with Kaysen — the two things that make a sibling set grate.
Common questions about Kaysen
What does the name Kaysen mean?
It has no inherited meaning. The SON ending means son of in the surnames it was borrowed from, but there is no Kay behind it.
What is the difference between Kaysen and Kayson?
Only the vowel. Both respell the same coined name, alongside Cason and Kason.
How new is the name Kaysen?
It first appears in the birth records we hold in 1998.
How popular is the name Kaysen?
In 2025, Kaysen was given to 786 babies in the United States, ranking #415 that year. It is a well-established, commonly used name.
Is Kaysen a girl's or a boy's name?
Kaysen is given almost entirely to boys in birth records.
When was Kaysen most popular?
Kaysen peaked in 2025, when 786 babies were given the name. It has been rising over the past decade.
What are the nicknames for Kaysen?
Kaysen is usually shortened to Kay.
Is Kaysen a good name?
That is not something records can settle, but they can tell you what you would be choosing. Kaysen currently ranks #415 in the United States. It has been rising over the past decade. Everything else — how it sounds with your surname, who it reminds you of — is yours.