Kailen
Kailen was the 4465th most popular name for boys in 2025, given to 23 babies. Its best year was 2014, when it ranked 2866th; the most babies were born in 2023 (43). Over the last ten years it has moved up 6 places. More babies were named Kailen in the 2000s than in any other decade.
Meaning Not yet researched how we research meanings
- Rank in 2025
- #4,465 boys, down 1,297 places since 2020
- Babies in 2025
- 23boys
- Girls and boys
- 10% girls, 90% boys2021–2025
- Peak year
- 202343 babies
- Total since 1880
- 1,673babies recorded
Kailen popularity since 1880
| Year | Rank (girls) | Rank (boys) | Babies (girls) | Babies (boys) |
|---|---|---|---|---|
| 2025 | — | #4,465 | — | 23 |
| 2020 | #9,881 | #3,168 | 10 | 36 |
| 2010 | #4,245 | #3,584 | 35 | 30 |
| 2000 | #4,473 | #3,701 | 27 | 22 |
| 1990 | #7,558 | #7,628 | 11 | 6 |
| 1980 | — | — | — | — |
| 1970 | — | — | — | — |
| 1960 | — | — | — | — |
| 1950 | — | — | — | — |
| 1940 | — | — | — | — |
| 1930 | — | — | — | — |
| 1920 | — | — | — | — |
| 1910 | — | — | — | — |
| 1900 | — | — | — | — |
| 1890 | — | — | — | — |
| 1880 | — | — | — | — |
How popular is Kailen, counting every spelling?
Kailen is a spelling of Caelan, a name family that ranked #984 for boys in 2025 once every spelling is counted together, compared with #4,465 for Kailen on its own. Together these spellings went to 215 boys in 2025.
| Spelling | Babies 2025 | Official rank | Babies 2021–2025 |
|---|---|---|---|
| Caelan | 43 | #2,892 | 265 |
| Kailan | 28 | #3,896 | 184 |
| Keilan | 33 | #3,481 | 174 |
| Kailen | 23 | #4,465 | 171 |
| Kaylon | 23 | #4,473 | 125 |
| Kaelan | 19 | #5,117 | 94 |
| Kailon | 14 | #6,273 | 68 |
| Kaelen | 12 | #6,994 | 62 |
| Caelen | 13 | #6,515 | 56 |
| Cailan | — | — | 29 |
| Keilen | — | — | 26 |
Spellings count together when they sound the same in American English and are used for the same sex; nicknames and forms that sound different (such as Theo and Theodore) are kept apart. How we group spellings.
How many kids will share the name Kailen?
23 of the 3,606,400 babies born in the US in 2025 were named Kailen (0.01 per 1,000 births). For a boy named Kailen born in 2025, the chance that another child with the same name is in a class of 20 children the same age is under 1 in 50. If every grade liked the name as much as the 2025 babies do, only about one elementary school in 363 (of 430 pupils) would have a child named Kailen.
Shares of all registered births (NCHS); classes assumed to be children born the same year. How we estimate this.
How old are people named Kailen?
About 900 people born in the US named Kailen are alive today, with a median age of 15; half are between 7 and 23. That makes Kailen mostly worn by children and young adults.
Babies given the name each year (SSA) times the share of that birth year still alive (SSA life tables). Counts people born in the US only. Method.
Kailen by state
How common Kailen was among boys born in each state in 2021–2025. In 49 states fewer than five boys a year got the name, too few for SSA to publish, so those states show as zero.
Names with a similar history
These names rose and fell in step with Kailen: their share of US boys followed the most similar curve since 1880. If you like Kailen, they share its era and feel.
Questions about the name Kailen
How popular is the name Kailen?
Kailen was the 4465th most popular name for boys in 2025, given to 23 babies. Its best year was 2014, when it ranked 2866th; the most babies were born in 2023 (43). Over the last ten years it has moved up 6 places. More babies were named Kailen in the 2000s than in any other decade.
Is Kailen a boy or girl name?
In 2021–2025, 10% girls, 90% boys given the name Kailen in the US.
Where is Kailen most popular?
In 2021–2025, Kailen was most common in Florida (0.01 per 1,000 boys), followed by California and California.