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.
More common than 55% of names given to boys today.
57% of everyone ever named Kacyn was born in this single decade.
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 1,000Peak year
Current rank
Active since
Kacyn popularity over time — boys
Annual U.S. births registered with the Social Security Administration · 2024–2009
- Peak year (2018)
- 25
- Annual births at peak — across 16 years of records
Currently ranks #6395 among boys.
240 total births across 16 years of SSA records. Peaked in 2018 with 25 births in a single year.
Kacyn popularity over time — girls
54 total births recorded since 2008 (Kacyn as girls' name)
Unisex use remains the minority pattern
The girls' variant of Kacyn accounts for 18% of total recorded use across both genders.
Kacyn by decade
Total births in each ten-year window — peak vs trough at a glance
- Peak decade
- 2010s
- 138 births that decade — 57% of Kacyn's all-time total
Kacyn decade highlights
- Peak decade 138 births
- Runner-up 94 births
- Modern era share 2010s + 2020s
- Decades tracked with recorded births
2010s was Kacyn's strongest decade
138 babies received the name during that ten-year window — about 57% of all-time use.
Frequently Asked Questions
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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.