Total births
262
Unisex name · since 2009
Kacyn
262 babies named Kacyn in U.S. Social Security records since 2009, with the highest year being 2018. Year-by-year trend, decade aggregates, and state-level rankings drawn from federal birth data.
- #6418
- among boys today
- 262
- born since 2009
- 2010s
- peak decade
- 55%
- more common than other boys
Yes -- Kacyn is the #6418 most popular unisex name in the U.S. today, with 262 recorded since 2009.
Social Security Administration records show Kacyn recorded 262 times among boys since 2009, holding rank #6418 nationally today, ahead of 55% of boys, peaking in the 2010s. This profile derives year-by-year birth trends, decade totals, and state-level distribution directly from SSA birth-registration files spanning 2009 to 2025.
- #6418 among boys today
- 262 born since 2009
- 2010s peak decade
- 55% more common than other boys
Data updated Jun 2026
The verdict
Kacyn is currently the #6418 unisex name in America, more common than 55% of boys - 262 born since 2009, peaking in the 2010s.
- #6418
- among boys today
- 262
- born since 2009
- 2010s
- peak decade
- 55%
- more common than other boys
Kacyn vs. every other boys name in current SSA rankings
#6418
of 14,294 boys in use
More common than 55% of names given to boys today.
2010s
Peak decade
53% of everyone ever named Kacyn was born in this single decade.
2018
Single peak year
25 babies were named Kacyn in 2018 - its busiest year on record.
How Kacyn compares
262 43th 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
Kacyn's all-time total is 29% below the median boys name, and Liam still leads by a wide margin.
| Metric | Kacyn | Median boys name (Elchonon) | #1 boys name (Liam) |
|---|---|---|---|
| All-time total births | 262 | 367 | 358,536 |
| Peak-year births | 25 | 23 | 22,252 |
Kacyn's usage pattern, beyond the headline number
Splitting Kacyn's full recorded timeline at 2017, 68% of its total births fall in the more recent half of the record versus 32% in the earlier half -- usage has skewed toward the present, not a one-decade spike. Its quietest year on record was 2009, with just 8 recorded births -- worth weighing against the 2018 peak of 25 to see the full range of the name's swing in popularity.
Kacyn at a glance
Outside the top 1,000Peak year
2018
Current rank
#6,418
Active since
2009
Kacyn popularity over time - boys
Annual U.S. births registered with the Social Security Administration · 2009–2025
- Peak year (2018)
- 25
- Annual births at peak, across 17 years of records
Kacyn popularity over time - girls
54 total births recorded since 2008 (Kacyn as girls' name)
Kacyn by decade
Total births in each ten-year window, peak vs trough at a glance
2010s was Kacyn's strongest decade.
138 babies received the name during that ten-year window, about 53% of all-time use.
Kacyn births by decade
Total births in each ten-year window
- 2000s 8
2000s
8 births
- 2010s
2010s
138 births
- 2020s
2020s
116 births
What this shows Peak: 2010s at 138 births (53% of all-time use).
Frequently Asked Questions
How popular is the name Kacyn? ▼
Kacyn has been given to 262 babies in the U.S. since 2009, according to SSA data. Among boys, it ranks #6418 as of the latest data. 25 babies were born in 2018, its single highest year.
When was Kacyn most popular? ▼
Kacyn was most popular in the 2010s decade with 138 total births. The single peak year was 2018.
Is Kacyn a unisex name? ▼
Yes, Kacyn is used for both boys and girls. As a boy's name it has 262 births, and as a girl's name it has 54 births.
How long has the name Kacyn been used? ▼
Records for Kacyn go back to 2009, giving 17 years of history through 2025.
What names are similar to Kacyn? ▼
Names with a similar sound or spelling include Kacey, Kace, Kacen, Kacper, and 4 more. These share a common prefix and are also used for boys.
What to do with Kacyn's data
- Kacyn's usage has stayed within range of its 2010s decade-level peak (138 total births) through the 2020s (116) -- a comparatively stable name, not a fading trend.
- Weighing it against an alternative? Put two names side by side. Compare names
Figures reflect SSA-reported births only; see the methodology above for the privacy-suppression floor.
Keep exploring Kacyn
Nearby Names Like Kacyn
Names with a similar sound, spelling, or feel to Kacyn
Kacey Boy
#1044 3,304 births
Kace Boy
#999 3,188 births
Kacen Boy
#1916 1,675 births
Kacper Boy
#5554 1,102 births
Kacy Boy
#7873 998 births
Compare Kacyn side by side: Kacyn vs Kacey Kacyn vs Kace Kacyn vs Kacen
Related Names
Names with a similar popularity rank to Kacyn
Data Sources
Data as of June 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, 2009–2025 (ssa.gov/oact/babynames).
State-level: Source: U.S. Social Security Administration, Baby Names, State-Level Files (namesbystate.zip).
Cite this page
NameAlmanac Editorial. "Kacyn: #6418 Unisex Name - 262 Births, Peak 2018." NameAlmanac. Accessed via https://namealmanac.com/name/kacyn. 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 Kacyn 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 June 2026.