Total births
284
Boys' name · since 1997
Kayn
Since 1997, U.S. Social Security records show 284 babies named Kayn, peaking in 2021. See the year-by-year trend, decade totals, and state rankings below, sourced from federal birth data.
- #3950
- among boys today
- 284
- born since 1997
- 2020s
- peak decade
- 72%
- more common than other boys
Yes -- Kayn is the #3950 most popular boys' name in the U.S. today, with 284 recorded since 1997.
According to the U.S. Social Security Administration, Kayn has been recorded 284 times among boys since 1997, currently ranked #3950 nationally and more common than 72% of boys, with its heaviest use in the 2020s. This profile covers year-by-year birth trends, decade totals, and state-level distribution, all derived directly from SSA birth-registration files spanning 1997 to 2025.
- #3950 among boys today
- 284 born since 1997
- 2020s peak decade
- 72% more common than other boys
Data updated Jul 2026
The verdict
Kayn is currently the #3950 boys' name in America, more common than 72% of boys - 284 born since 1997, peaking in the 2020s.
- #3950
- among boys today
- 284
- born since 1997
- 2020s
- peak decade
- 72%
- more common than other boys
Kayn vs. every other boys name in current SSA rankings
#3950
of 14,294 boys in use
More common than 72% of names given to boys today.
2020s
Peak decade
45% of everyone ever named Kayn was born in this single decade.
2021
Single peak year
28 babies were named Kayn in 2021 - its busiest year on record.
How Kayn compares
284 45th percentile among 14,294 names currently given to boys
Based on all-time total births among currently-ranked boys names. Names with fewer occurrences are grouped into wider buckets on the right.
Source U.S. Social Security Administration, national baby name data
How the numbers stack up
Kayn's all-time total is 23% below the median boys name, and Liam still leads by a wide margin.
| Metric | Kayn | Median boys name (Elchonon) | #1 boys name (Liam) |
|---|---|---|---|
| All-time total births | 284 | 367 | 358,536 |
| Peak-year births | 28 | 23 | 22,252 |
Kayn's usage pattern, beyond the headline number
Divide Kayn's SSA record in two at 2016 and the more recent half accounts for 70% of all births, the earlier half the remaining 30%, consistent with a name still gaining ground rather than fading. Its calmest year was 1999, with only 5 births recorded -- set against the 2021 peak of 28, that's the full swing in one name's fortunes.
Kayn at a glance
Outside the top 1,000Peak year
2021
Current rank
#3,950
Active since
1997
Kayn popularity over time
Annual U.S. births registered with the Social Security Administration · 1997–2025
- Peak year (2021)
- 28
- Annual births at peak, across 29 years of records
Kayn by decade
Total births in each ten-year window, peak vs trough at a glance
2020s was Kayn's strongest decade.
129 babies received the name during that ten-year window, about 45% of all-time use.
Kayn births by decade
Total births in each ten-year window
- 1990s 13
1990s
13 births
- 2000s 15
2000s
15 births
- 2010s
2010s
127 births
- 2020s
2020s
129 births
What this shows Peak: 2020s at 129 births (45% of all-time use).
Frequently Asked Questions
How popular is the name Kayn? ▼
Since 1997, Social Security records show 284 babies named Kayn. Today it holds rank #3950 among boys. Its busiest year on record was 2021, with 28 births.
When was Kayn most popular? ▼
Kayn was most popular in the 2020s decade with 129 total births. The single peak year was 2021.
How long has the name Kayn been used? ▼
Kayn has been recorded in Social Security data since 1997, spanning 29 years of data through 2025.
What names are similar to Kayn? ▼
Names with a similar sound or spelling include Kayden, Kayson, Kaysen, Kay, and 4 more. These share a common prefix and are also used for boys.
Keep exploring Kayn
Nearby Names Like Kayn
Names with a similar sound, spelling, or feel to Kayn
Kayden Boy
#125 73,606 births
Kayson Boy
#291 15,201 births
Kaysen Boy
#597 6,640 births
Kay Boy
#6208 3,924 births
Kayce Boy
#419 3,316 births
Compare Kayn side by side: Kayn vs Kayden Kayn vs Kayson Kayn vs Kaysen
Related Names
Names with a similar popularity rank to Kayn
Data Sources
Data as of July 2026. Source: U.S. Social Security Administration (SSA).
According to the Social Security Administration, this profile draws directly from the agency's public-use baby-name files (updated June 2026). See our methodology for the full extraction, aggregation, and privacy-suppression rules.
Primary: Source: U.S. Social Security Administration, Baby Names from Social Security Card Applications, National Data, 1997–2025 (ssa.gov/oact/babynames).
State-level: Source: U.S. Social Security Administration, Baby Names, State-Level Files (namesbystate.zip).
Cite this page
NameAlmanac Editorial. "Kayn: #3950 Boys' Name - 284 Births, Peak 2021." NameAlmanac. Accessed via https://namealmanac.com/name/kayn. Licensed CC BY-SA 4.0.
Name Almanac is rendered directly from the Social Security Administration's public baby-name files, no number is typed in by an editor. This profile for Kayn draws directly on SSA national and state-level files, no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of July 2026.