Keilyn
Keilyn was the 4606th most popular name for girls in 2025, given to 30 babies. Its best year was 2009, when it ranked 2813th with 63 babies. Over the last ten years it has moved down 1,151 places. More babies were named Keilyn in the 2010s than in any other decade.
Meaning Not yet researched how we research meanings
- Rank in 2025
- #4,606 girls, down 1,691 places since 2020
- Babies in 2025
- 30girls
- Girls and boys
- 91% girls, 9% boys2021–2025
- Peak year
- 200963 babies
- Total since 1880
- 1,448babies recorded
Keilyn popularity since 1880
| Year | Rank (girls) | Rank (boys) | Babies (girls) | Babies (boys) |
|---|---|---|---|---|
| 2025 | #4,606 | — | 30 | — |
| 2020 | #2,915 | #7,266 | 56 | 11 |
| 2010 | #2,882 | #5,369 | 60 | 17 |
| 2000 | #8,874 | #7,126 | 11 | 9 |
| 1990 | — | — | — | — |
| 1980 | — | — | — | — |
| 1970 | — | — | — | — |
| 1960 | — | — | — | — |
| 1950 | — | — | — | — |
| 1940 | — | — | — | — |
| 1930 | — | — | — | — |
| 1920 | — | — | — | — |
| 1910 | — | — | — | — |
| 1900 | — | — | — | — |
| 1890 | — | — | — | — |
| 1880 | — | — | — | — |
How popular is Keilyn, counting every spelling?
Keilyn is a spelling of Kaylin, a name family that ranked #295 for girls in 2025 once every spelling is counted together, compared with #4,606 for Keilyn 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 Keilyn?
30 of the 3,606,400 babies born in the US in 2025 were named Keilyn (0.01 per 1,000 births). For a girl named Keilyn 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 280 (of 430 pupils) would have a child named Keilyn.
Shares of all registered births (NCHS); classes assumed to be children born the same year. How we estimate this.
How old are people named Keilyn?
About 1,200 people born in the US named Keilyn are alive today, with a median age of 14; half are between 7 and 19. That makes Keilyn 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.
Keilyn by state
How common Keilyn was among girls born in each state in 2021–2025. It is notably more common than nationally in Texas (1.6×). In 47 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 Keilyn: their share of US girls followed the most similar curve since 1880. If you like Keilyn, they share its era and feel.
Questions about the name Keilyn
How popular is the name Keilyn?
Keilyn was the 4606th most popular name for girls in 2025, given to 30 babies. Its best year was 2009, when it ranked 2813th with 63 babies. Over the last ten years it has moved down 1,151 places. More babies were named Keilyn in the 2010s than in any other decade.
Is Keilyn a boy or girl name?
In 2021–2025, 91% girls, 9% boys given the name Keilyn in the US.
Where is Keilyn most popular?
In 2021–2025, Keilyn was most common in Texas (0.04 per 1,000 girls), followed by Florida and California.