Kailynn
Kailynn was the 2343rd most popular name for girls in 2025, given to 78 babies. Its best year was 2011, when it ranked 899th with 290 babies. Over the last ten years it has moved down 1,215 places. More babies were named Kailynn in the 2010s than in any other decade.
Meaning Not yet researched how we research meanings
- Rank in 2025
- #2,343 girls, down 723 places since 2020
- Babies in 2025
- 78girls
- Girls and boys
- Almost always a girl’s name2021–2025
- Peak year
- 2011290 babies
- Total since 1880
- 4,747babies recorded
Kailynn popularity since 1880
A few boys are given the name too: 15 since 2022.
| Year | Rank (girls) | Babies (girls) |
|---|---|---|
| 2025 | #2,343 | 78 |
| 2020 | #1,620 | 129 |
| 2010 | #1,084 | 230 |
| 2000 | #1,893 | 90 |
| 1990 | #4,948 | 19 |
| 1980 | — | — |
| 1970 | — | — |
| 1960 | — | — |
| 1950 | — | — |
| 1940 | — | — |
| 1930 | — | — |
| 1920 | — | — |
| 1910 | — | — |
| 1900 | — | — |
| 1890 | — | — |
| 1880 | — | — |
How popular is Kailynn, counting every spelling?
Kailynn is a spelling of Kaylin, a name family that ranked #295 for girls in 2025 once every spelling is counted together, compared with #2,343 for Kailynn on its own. Together these spellings went to 1,103 girls in 2025.
| Spelling | Babies 2025 | Official rank | Babies 2021–2025 |
|---|---|---|---|
| Kaylin | 126 | #1,644 | 834 |
| Kaylynn | 134 | #1,576 | 774 |
| Kailyn | 110 | #1,825 | 736 |
| Kaelyn | 131 | #1,601 | 728 |
| Kayleen | 70 | #2,524 | 559 |
| Kaelynn | 79 | #2,310 | 537 |
| Kailynn | 78 | #2,343 | 501 |
| Kaylyn | 70 | #2,525 | 372 |
| Kaylen | 61 | #2,796 | 363 |
| Cailyn | 40 | #3,728 | 261 |
| Kaileen | 33 | #4,299 | 242 |
| Kaylene | 37 | #3,947 | 224 |
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 Kailynn?
78 of the 3,606,400 babies born in the US in 2025 were named Kailynn (0.02 per 1,000 births). For a girl named Kailynn 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 108 (of 430 pupils) would have a child named Kailynn.
Shares of all registered births (NCHS); classes assumed to be children born the same year. How we estimate this.
How old are people named Kailynn?
About 4,700 people born in the US named Kailynn are alive today, with a median age of 15; half are between 10 and 20. That makes Kailynn 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.
Kailynn by state
How common Kailynn was among girls born in each state in 2021–2025. It is notably more common than nationally in Georgia (2.2×), Michigan (1.8×), Florida (1.6×). In 37 states fewer than five girls 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 Kailynn: their share of US girls followed the most similar curve since 1880. If you like Kailynn, they share its era and feel.
Questions about the name Kailynn
How popular is the name Kailynn?
Kailynn was the 2343rd most popular name for girls in 2025, given to 78 babies. Its best year was 2011, when it ranked 899th with 290 babies. Over the last ten years it has moved down 1,215 places. More babies were named Kailynn in the 2010s than in any other decade.
Is Kailynn a boy or girl name?
In 2021–2025, almost always a girl’s name given the name Kailynn in the US.
Where is Kailynn most popular?
In 2021–2025, Kailynn was most common in South Carolina (0.14 per 1,000 girls), followed by Georgia and Michigan.