US rank #979 Girls' name Peak 2000 21,037 births

Kassidy — #979 US girls' name

21,037 babies named Kassidy in U.S. Social Security records since 1975, with the highest year being 2000. Year-by-year trend, decade aggregates, and state-level rankings drawn from federal birth data.

1970s441980s4991990s46902000s78032010s62632020s1738
#979
of 17,661 girls in use

More common than 94% of names given to girls today.

2000s
Peak decade

37% of everyone ever named Kassidy was born in this single decade.

2000
Single peak year

1,007 babies were named Kassidy in 2000 — its busiest year on record.

What the Data Says About Kassidy

The Social Security Administration has registered 21,037 babies named Kassidy between 1975 and 2024, spanning 50 consecutive years of U.S. birth records. As a girl's name, Kassidy currently holds the #979 rank among girls for 2024. The name reached its historical peak in 2000, when 1,007 babies received it in a single year.

Decade-level aggregation shows that Kassidy performed strongest in the 2000s, accumulating 7,803 births during that ten-year window. Across the 6 decades of recorded activity, Kassidy shows a clear decline from its mid-century high. Geographically, the name is most concentrated in Texas, which accounts for 1,904 births — the largest state-level total in the dataset — followed by California and Florida. In total, SSA state-level files list Kassidy in 49 of the 51 U.S. reporting jurisdictions.

No etymological entry is currently available for Kassidy 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 21,037 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.

Kassidy at a glance

Top 1,000 girls' name

Total births

21,037

Since 1975

50 years of records

Peak year

2000

1,007 births that year

Strongest decade: 2000s

Current rank

#979

Among girls

As of 2024

Active since

1975

Recorded for 50 years

Last year on file: 2024

Kassidy popularity over time — girls

Annual U.S. births registered with the Social Security Administration · 2024–1975

Top 1,000 girls' name
Peak year (2000)
1,007
Annual births at peak — across 50 years of records
-50005001,0001,500 20242017201020031996198919821975 6

Kassidy popularity over time — boys

426 total births recorded since 1982 (Kassidy as boys' name)

Unisex variant — 426 births
0510152025 20242018201220061999199319861982 8

Kassidy by decade

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

Peak: 2000s
Peak decade
2000s
7,803 births that decade — 37% of Kassidy's all-time total
1970s441980s4991990s46902000s78032010s62632020s1738

Kassidy by state

Where Kassidy concentrates geographically — total births since 1975

Geographically diffuse
Top 8 states by recorded births for the name Kassidy
Rank State Visual share Births Share of total
#1 Texas
1,904 9.1%
#2 California
1,836 8.7%
#3 Florida
904 4.3%
#4 Georgia
846 4.0%
#5 Michigan
802 3.8%
#6 Pennsylvania
795 3.8%
#7 Ohio
784 3.7%
#8 North Carolina
772 3.7%
Texas share of Kassidy's total US births 9.1%
Even split

1,904 of 21,037 births nationwide. Compared to a flat distribution across 49 reporting states.

Kassidy appears in 49 states. Explore state details →

Frequently Asked Questions

How popular is the name Kassidy?
21,037 babies have been named Kassidy since 1975. It currently ranks #979 among girls. The peak year was 2000 with 1,007 births.
When was Kassidy most popular?
Kassidy was most popular in the 2000s decade with 7,803 total births. The single peak year was 2000.
Where is Kassidy most popular?
The top states for the name Kassidy are Texas (1,904 births), California (1,836 births), Florida (904 births).
How long has the name Kassidy been used?
Kassidy has been recorded in Social Security data since 1975, spanning 50 years of data through 2024.
What names are similar to Kassidy?
Names with a similar sound or spelling include Kassandra, Kasey, Kasandra, Kassie, and 4 more. These share a common prefix and are also used for girls.

Keep exploring Kassidy

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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, 1975–2024 (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.