US rank #6503 Boys' name Peak 2009 268 births

Kayo — #6503 US boys' name

268 babies named Kayo in U.S. Social Security records since 1926, with the highest year being 2009. Year-by-year trend, decade aggregates, and state-level rankings drawn from federal birth data.

1920s51940s51990s52000s942010s1022020s57
#6503
of 14,243 boys in use

More common than 54% of names given to boys today.

2010s
Peak decade

38% of everyone ever named Kayo was born in this single decade.

2009
Single peak year

20 babies were named Kayo in 2009 — its busiest year on record.

What the Data Says About Kayo

The Social Security Administration has registered 268 babies named Kayo between 1926 and 2024, spanning 99 consecutive years of U.S. birth records. As a boy's name, Kayo currently holds the #6503 rank among boys for 2024. The name reached its historical peak in 2009, when 20 babies received it in a single year.

Decade-level aggregation shows that Kayo performed strongest in the 2010s, accumulating 102 births during that ten-year window. Across the 6 decades of recorded activity, Kayo shows notable generational variation in parental adoption.

No etymological entry is currently available for Kayo 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 268 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.

Kayo at a glance

Outside the top 1,000

Total births

268

Since 1926

99 years of records

Peak year

2009

20 births that year

Strongest decade: 2010s

Current rank

#6,503

Among boys

As of 2024

Active since

1926

Recorded for 99 years

Last year on file: 2024

Kayo popularity over time — boys

Annual U.S. births registered with the Social Security Administration · 2024–1926

Outside the top 1,000
Peak year (2009)
20
Annual births at peak — across 99 years of records
0510152025 20242020201620122008200419951926 5

Kayo popularity over time — girls

5 total births recorded since 1973 (Kayo as girls' name)

Unisex variant — 5 births
5 1973 5

Kayo by decade

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

Peak: 2010s
Peak decade
2010s
102 births that decade — 38% of Kayo's all-time total
1920s51940s51990s52000s942010s1022020s57

Frequently Asked Questions

How popular is the name Kayo?
268 babies have been named Kayo since 1926. It currently ranks #6503 among boys. The peak year was 2009 with 20 births.
When was Kayo most popular?
Kayo was most popular in the 2010s decade with 102 total births. The single peak year was 2009.
How long has the name Kayo been used?
Kayo has been recorded in Social Security data since 1926, spanning 99 years of data through 2024.
What names are similar to Kayo?
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 Kayo

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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, 1926–2024 (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.