US rank #6395 Unisex name Peak 2018 240 births

Kacyn — #6395 US boys' name

240 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.

2000s82010s1382020s94
#6395
of 14,243 boys in use

More common than 55% of names given to boys today.

2010s
Peak decade

57% 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.

What the Data Says About Kacyn

The Social Security Administration has registered 240 babies named Kacyn between 2009 and 2024, spanning 16 consecutive years of U.S. birth records. As a boy's name, Kacyn currently holds the #6395 rank among boys for 2024. The name reached its historical peak in 2018, when 25 babies received it in a single year. Kacyn is classified as unisex in SSA records: the opposite-sex variant accounts for 54 additional births since 2008.

Decade-level aggregation shows that Kacyn performed strongest in the 2010s, accumulating 138 births during that ten-year window. Across the 3 decades of recorded activity, Kacyn shows notable generational variation in parental adoption.

No etymological entry is currently available for Kacyn in our reference dataset. These figures derive from SSA's annual national and state-level name files, which include any name appearing at least five times in a given year or state-year; names below that threshold are suppressed for privacy and therefore excluded from the totals shown here. The 240 total represents a lower bound — actual usage may be higher in years or states where the count fell below the disclosure floor. This page is provided for informational and research purposes only and does not constitute personal, legal, or naming advice.

Kacyn at a glance

Outside the top 1,000

Total births

240

Since 2009

16 years of records

Peak year

2018

25 births that year

Strongest decade: 2010s

Current rank

#6,395

Among boys

As of 2024

Active since

2009

Recorded for 16 years

Last year on file: 2024

Kacyn popularity over time — boys

Annual U.S. births registered with the Social Security Administration · 2024–2009

Outside the top 1,000
Peak year (2018)
25
Annual births at peak — across 16 years of records
51015202530 202420222020201820162014201220102009 8

Kacyn popularity over time — girls

54 total births recorded since 2008 (Kacyn as girls' name)

Unisex variant — 54 births
456789 202320182017201420132011201020092008 7

Kacyn by decade

Total births in each ten-year window — peak vs trough at a glance

Peak: 2010s
Peak decade
2010s
138 births that decade — 57% of Kacyn's all-time total
2000s82010s1382020s94

Frequently Asked Questions

How popular is the name Kacyn?
240 babies have been named Kacyn since 2009. It currently ranks #6395 among boys. The peak year was 2018 with 25 births.
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 240 births, and as a girl's name it has 54 births.
How long has the name Kacyn been used?
Kacyn has been recorded in Social Security data since 2009, spanning 16 years of data through 2024.
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.

Data Sources

Data as of 2024. Source: U.S. Social Security Administration (SSA).

Primary: Source: U.S. Social Security Administration, Baby Names from Social Security Card Applications — National Data, 2009–2024 (ssa.gov/oact/babynames). National-level data includes all names with 5 or more occurrences in a given year.

State-level: Source: U.S. Social Security Administration, Baby Names — State-Level Files (namesbystate.zip). Includes all names with 5 or more occurrences per state per year; rarer names are excluded for privacy.