unisex name · in the US
Kailen
KAY-len (English)
- Gender Unisex (US)
- Syllables 2
- Letters 6
- Popularity Uncommon
- Births on record 2,144
Kailen is a unisex name in the United States, with 2 syllables. It is given to both girls and boys — about 34% of recorded births with this name are girls. In 2025 it was given to 23 babies in the United States. It is used consistently but remains uncommon.
- Peaked in 2008, when 71 babies were given the name.
- Its usage has held steady over the past decade.
- Today about 1 in 144,155 babies in the United States is given this name.
- First appears in US birth records in 1983.
- 2 syllables, with the stress on syllable 1.
Kailen Over Time
Births per decade in the United States, 1980s to 2020s. The striped bar is the 2020s, which so far covers 2020 to 2025.
Show the numbers
| Decade | Births |
|---|---|
| 1980s | 55 |
| 1990s | 338 |
| 2000s | 577 |
| 2010s | 466 |
| 2020s (to 2025) | 237 |
How Popular Is Kailen?
In 2025, Kailen was given to 23 babies in the United States. It is used consistently but remains uncommon.
Where Kailen 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 Kailen
These names rose and fell in the same era, which is why they tend to sound like they belong together.
Parents Who Like Kailen Also Like
Names whose popularity has risen and fallen in step with Kailen over the last century — the same taste, a different name.
Boys' or Girls' Name?
Kailen is used differently depending on where you are. Each figure is the share of babies given the name who were girls, over the last ten years of that country's records.
- United States Both 19% girls · 403 babies
- England & Wales Boys' 0% girls · 130 babies
How to Say Kailen
- English KAY-len
Sibling Names for Kailen
Names from the same era that do not rhyme or share an initial with Kailen — the two things that make a sibling set grate.
Common Questions About Kailen
How popular is the name Kailen?
In 2025, Kailen was given to 23 babies in the United States. It is used consistently but remains uncommon.
Is Kailen a girl's or a boy's name?
Kailen is used for both girls and boys. About 34% of recorded births with this name are girls.
How many syllables are in Kailen?
Kailen has 2 syllables.
When was Kailen most popular?
Kailen peaked in 2008, when 71 babies were given the name. Its usage has held steady over the past decade.
Is Kailen a good name?
That is not something records can settle, but they can tell you what you would be choosing. Kailen currently ranks #4,408 in the United States. Its usage has held steady over the past decade. Everything else — how it sounds with your surname, who it reminds you of — is yours.