Girl · #12,873 in 2026

Casidy

Name: Popularity of the name Casidy in U.S. births, 1880–2026
Creator: U.S. Social Security Administration
License: https://www.ssa.gov/foia/
Keywords: Casidy, baby name, popularity, U.S., SSA, rankings

Current Rank

#12,873

Peak Rank

#4,564 (2001)

Total Babies

346

5-Yr Trend

Stable

1980

First Year

2016

Last Year

2001

Peak Year

#4564

Peak Rank

346

Total Count

Years Active

The Story of Casidy

Casidy first appeared in U.S. Social Security Administration records as a baby girl name in 1980, with 5 babies given the name that year. Its peak popularity came in 2001, when 26 Casidys were born — ranking #4,564 that year. As of 2026, Casidy ranks #12,873 for baby girls with 7 births, with steady use. In total, more than 346 Casidys have been born in the U.S. since records began in 1880, spanning the 1980s through the 2020s.

Popularity Over Time

Popularity by State

Top 10

11-50

51-100

101-500

500+

No data

Names that sound like Casidy

Phonetically similar names — useful when Casidy is the vibe but a different syllable count or letter feel might suit better. Linked entries have a profile on Peek a Name.

Cassady
Cassidy
Kassidy
Custody
Cassity
Cusid
Kiskadee
Kasai
Casad
Casado
Casada
Cassada

Source: Datamuse . Phonetic similarity ranking, not curated.

Frequently Asked Questions about Casidy

What does the name Casidy mean?

Casidy is a girl's name that has been used in U.S. records since 1980. Behind the Name doesn't list a specific etymology, but the name has remained in use across multiple decades.

How popular is Casidy in 2026?

In 2026, Casidy ranks #12,873 among girls' names in the U.S., with 7 babies given the name that year.

When was Casidy most popular?

Casidy reached its peak popularity in 2001, ranking #4,564 that year with 26 babies given the name.

Is Casidy a unisex name?

In U.S. Social Security records, Casidy is primarily a girl's name. We don't have meaningful data for it as a boy's name.

What names go well with Casidy?

Names that share a similar style or popularity range with Casidy include Ivett, Najla, Fiorela. These pairings are based on rank proximity and naming era in U.S. data.

About the name Casidy

Casidy is a girl baby name tracked by the U.S. Social Security Administration. It first appeared in SSA records in 1980 and has accumulated 346 births in the dataset. Casidy's peak popularity came in 2001 when it ranked #4,564. Use the chart and map above to compare Casidy's trajectory across years and U.S. states, or browse the related names section to discover similar choices.

Continue exploring

Data sources

Birth statistics (counts, ranks, years 1880–2026) — U.S. Social Security Administration . Predictions for years not yet released by SSA are computed by Peek a Name from historical trends; we update with official data as soon as it ships.
Etymology, cultural origins, and related forms — Behind the Name (used under their public API terms).
Meaning prose and editorial summary — Wikipedia article extracts, licensed under CC BY-SA 3.0 .
Predicted nationality distribution — Nationalize.io .
Phonetically similar names — Datamuse .

Peek a Name aggregates and presents the above data for informational purposes. Statistical predictions and external attributions are clearly labelled where shown; we make no guarantee of accuracy beyond what each source provides.