Kaylin
- Pronunciation
- [Kay-lin]
- Gender
- Female
- Meaning
- Variant Of Kay And Kayla. Keeper Of The Keys: Pure.
- Origin
- English
About the Name Kaylin
Kaylin is an English-origin name with the meaning "keeper of the keys; pure" — a composite gloss that ties it to both the Kay/Kayla family (from the Old Welsh cai, possibly meaning "key" or "lord") and the Catherine/Katherine tradition (from the Greek via Latin, meaning "pure"). The name effectively straddles two etymological streams: as a variant of Kay and Kayla it points toward a Celtic source, while its association with the Katherine chain introduces the Greek purity meaning. Kaylin functions as a modern blend or variant within a large sound-family rather than an independent ancient form.
Kaylin first entered the US Social Security top-1000 in 2000 and peaked in 2009 at rank #371 — notably, its peak came nearly a decade into its chart life, suggesting growing rather than immediately declining popularity. The name remained on the chart through 2019, recording 259 births at rank #998 in that final year. Total top-1000-qualifying births across the full window reached approximately 12,499. Its nearly two-decade chart presence is a strong performance for a modern phonetic variant.
The recorded variant family for Kaylin is exceptionally broad: Kaelen, Kaelene, Kaelin, Kaelyn, Kaelynn, Kailan, Kailene, Kailin, Kailyn, Kailynne, Kalan, Kalen, Kalin, Kalyn, Kalynn, Kaylan, Kayleen, Kaylen, Kaylene, Kaylin, Kaylyn, and Kaylynn. This remarkable range of spellings testifies to the creative energy parents brought to the Kay-/Kail-/Kael- sound family in the 2000s, one of the most heavily personalized naming clusters of that era.
Source: U.S. Social Security Administration name data, 1880–2024 (methodology). By Marvin Tang.
Quick Facts About Kaylin
US Popularity History (2000–2019)
Annual US births named Kaylin by gender, from US Social Security Administration records. Peak year: 2008 with 869 girls named Kaylin (girl rank #377 that year).
Where it stands today: in 2019, ranked #998 for girls (259 US births). That's 621 places below its 2008 peak.
Source: US Social Security Administration. Limitations: US birth-certificate data only; names appearing fewer than 5 times in a given year are suppressed for privacy; spelling variants are counted separately. For names that ranked outside the US top 100 before year 2000, only the years they reached the top 100 are shown — the chart may have gaps for less-popular historical names.
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Where in the US Is Kaylin Most Popular?
Average girl-name rank within each state across 2016–2025 SSA records. A lower number means the name appears closer to the top of that state's girls-name rankings — a per-capita measure that isn't biased toward large states. For Kaylin the strongest states are Mississippi, South Carolina, Michigan.
Strongest girls-name states
| # | State | Avg rank | Births |
|---|---|---|---|
| 1 | Mississippi | #456 | 30 |
| 2 | South Carolina | #619 | 36 |
| 3 | Michigan | #648 | 54 |
| 4 | Massachusetts | #709 | 22 |
| 5 | Georgia | #787 | 93 |
| 6 | North Carolina | #791 | 71 |
| 7 | Maryland | #794 | 33 |
| 8 | New Jersey | #799 | 47 |
| 9 | Missouri | #808 | 34 |
| 10 | Louisiana | #843 | 22 |
Weakest girls-name states
| # | State | Avg rank | Births |
|---|---|---|---|
| 1 | California | #1,359 | 79 |
| 2 | Texas | #1,067 | 114 |
| 3 | New York | #1,065 | 84 |
| 4 | Florida | #1,047 | 86 |
| 5 | Pennsylvania | #939 | 58 |
| 6 | Arizona | #903 | 21 |
| 7 | Virginia | #889 | 59 |
| 8 | Indiana | #859 | 30 |
| 9 | Louisiana | #843 | 22 |
| 10 | Missouri | #808 | 34 |
Source: SSA state-level baby-name dataset 2016–2025. States with fewer than 3 years of data for Kaylin in this window are excluded. Births < 5 in a given state-year are suppressed by SSA for privacy.
Variant Forms
| Name | Meaning | Gender | Origin |
|---|---|---|---|
| Kaelen | Mighty Warrior | Male | Irish |
| Kaelene | Variant Of Kay And Kayla. Keeper Of The Keys: Pure. | Female | English |
| Kaelin | Variant Of Kay And Kayla. Keeper Of The Keys: Pure. | Female | English |
| Kaelyn | Variant Of Kay And Kayla. Keeper Of The Keys: Pure. | Female | English |
| Kaelynn | Variant Of Kay And Kayla. Keeper Of The Keys: Pure. | Female | English |
| Kailan | Variant Of Kay And Kayla. Keeper Of The Keys: Pure. | Female | English |
| Kailene | Variant Of Kay And Kayla. Keeper Of The Keys: Pure. | Female | English |
| Kailin | Variant Of Kay And Kayla. Keeper Of The Keys: Pure. | Female | English |
| Kailyn | Variant Of Kay And Kayla. Keeper Of The Keys: Pure. | Female | English |
| Kailynne | Variant Of Kay And Kayla. Keeper Of The Keys: Pure. | Female | English |
| Kalan | Variant Of Kay And Kayla. Keeper Of The Keys: Pure. | Female | English |
| Kalen | Irish/Celtic Name Meaning "Warrior." | Male | Celtic |
| Kalin | Variant Of Kay And Kayla. Keeper Of The Keys: Pure. | Female | English |
| Kalyn | Variant Of Kay And Kayla. Keeper Of The Keys: Pure. | Female | English |
| Kalynn | Variant Of Kay And Kayla. Keeper Of The Keys: Pure. | Female | English |
| Kaylan | Variant Of Kay And Kayla. Keeper Of The Keys: Pure. | Male | English |
| Kayleen | Variant Of Kay And Kayla Keeper Of The Keys: Pure. | Female | English |
| Kaylen | Variant Of Kay And Kayla. Keeper Of The Keys: Pure. | Female | English |
| Kaylene | Variant Of Kay And Kayla Keeper Of The Keys: Pure. | Female | English |
| Kaylin | Variant Of Kay And Kayla. Keeper Of The Keys: Pure. | Female | English |
| Kaylyn | Variant Of Kay. Keeper Of The Keys: Pure. Also Kayla Is A Character On Daytime TV Days Of Our Lives. | Female | English |
| Kaylynn | Variant Of Kay And Kayla. Keeper Of The Keys: Pure. | Female | English |
Looking for names like Kaylin?
A dedicated page with 60+ related names — spelling variants, rhymes, alliterations, same-origin matches, and shared meaning concepts — lives at its own URL so each kind of similarity gets a deeper treatment than fits here.
Compare Kaylin to Other Popular Names
Side-by-side popularity charts and crossover years for Kaylin against today's most popular girls-name peers (top 8 by US births in the last 10 years of SSA records).