US rank #220 Girls' name Peak 2009 139,199 births

Kaylee — #220 US girls' name

139,199 babies named Kaylee in U.S. Social Security records since 1943, with the highest year being 2009. Year-by-year trend, decade aggregates, and state-level rankings drawn from federal birth data.

1940s51950s51960s731970s1861980s34961990s252142000s564322010s446182020s9170
#220
of 17,661 girls in use

More common than 99% of names given to girls today.

2000s
Peak decade

41% of everyone ever named Kaylee was born in this single decade.

2009
Single peak year

7,219 babies were named Kaylee in 2009 — its busiest year on record.

What the Data Says About Kaylee

The Social Security Administration has registered 139,199 babies named Kaylee between 1943 and 2024, spanning 82 consecutive years of U.S. birth records. As a girl's name, Kaylee currently holds the #220 rank among girls for 2024. The name reached its historical peak in 2009, when 7,219 babies received it in a single year.

Decade-level aggregation shows that Kaylee performed strongest in the 2000s, accumulating 56,432 births during that ten-year window. Across the 9 decades of recorded activity, Kaylee shows a clear decline from its mid-century high. Geographically, the name is most concentrated in California, which accounts for 14,745 births — the largest state-level total in the dataset — followed by Texas and Florida. In total, SSA state-level files list Kaylee in 51 of the 51 U.S. reporting jurisdictions.

No etymological entry is currently available for Kaylee 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 139,199 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.

Kaylee at a glance

Top 1,000 girls' name

Total births

139,199

Since 1943

82 years of records

Peak year

2009

7,219 births that year

Strongest decade: 2000s

Current rank

#220

Among girls

As of 2024

Active since

1943

Recorded for 82 years

Last year on file: 2024

Kaylee popularity over time — girls

Annual U.S. births registered with the Social Security Administration · 2024–1943

Top 1,000 girls' name
Peak year (2009)
7,219
Annual births at peak — across 82 years of records
-2,00002,0004,0006,0008,000 202420152006199719881979197019501943 5

Kaylee popularity over time — boys

176 total births recorded since 1988 (Kaylee as boys' name)

Unisex variant — 176 births
01020304050 2015201120082005200219991988 5

Kaylee by decade

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

Peak: 2000s
Peak decade
2000s
56,432 births that decade — 41% of Kaylee's all-time total
1940s51950s51960s731970s1861980s34961990s252142000s564322010s446182020s9170

Kaylee by state

Where Kaylee concentrates geographically — total births since 1943

Geographically diffuse
Top 8 states by recorded births for the name Kaylee
Rank State Visual share Births Share of total
#1 California
14,745 10.6%
#2 Texas
13,247 9.5%
#3 Florida
6,921 5.0%
#4 New York
6,435 4.6%
#5 Ohio
5,725 4.1%
#6 Pennsylvania
4,836 3.5%
#7 Illinois
4,666 3.4%
#8 Michigan
4,551 3.3%
California share of Kaylee's total US births 10.6%
Even split

14,745 of 139,199 births nationwide. Compared to a flat distribution across 51 reporting states.

Kaylee appears in 51 states. Explore state details →

Frequently Asked Questions

How popular is the name Kaylee?
139,199 babies have been named Kaylee since 1943. It currently ranks #220 among girls. The peak year was 2009 with 7,219 births.
When was Kaylee most popular?
Kaylee was most popular in the 2000s decade with 56,432 total births. The single peak year was 2009.
Where is Kaylee most popular?
The top states for the name Kaylee are California (14,745 births), Texas (13,247 births), Florida (6,921 births).
How long has the name Kaylee been used?
Kaylee has been recorded in Social Security data since 1943, spanning 82 years of data through 2024.
What names are similar to Kaylee?
Names with a similar sound or spelling include Kayla, Kay, Kayleigh, Kaylie, and 4 more. These share a common prefix and are also used for girls.

Keep exploring Kaylee

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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, 1943–2024 (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.