Girl · #7,056 in 2026

Cassiopeia

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

Current Rank

#7,056

Peak Rank

#4,737 (2022)

Total Babies

410

5-Yr Trend

+32%

1979

First Year

2026

Last Year

2022

Peak Year

#4737

Peak Rank

410

Total Count

Years Active

The Story of Cassiopeia

Cassiopeia first appeared in U.S. Social Security Administration records as a baby girl name in 1979, with 9 babies given the name that year. Its peak popularity came in 2022, when 18 Cassiopeias were born — ranking #6,457 that year. As of 2026, Cassiopeia ranks #7,056 for baby girls with 15 births, rising sharply (+32% over the past five years). In total, more than 410 Cassiopeias have been born in the U.S. since records began in 1880, spanning the 1970s through the 2020s.

Popularity Over Time

Popularity by State

Top 10

11-50

51-100

101-500

500+

No data

Names that sound like Cassiopeia

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

Cassiope
Cassava
Casava
Canopy
Cassius
Canopies
Caspian
Caspa
Caseous
Canopied
Kassia
Cassian

Source: Datamuse . Phonetic similarity ranking, not curated.

Frequently Asked Questions about Cassiopeia

What does the name Cassiopeia mean?

Cassiopeia is a girl's name that has been used in U.S. records since 1979. Behind the Name doesn't list a specific etymology, but the name has remained in use across multiple decades.

How popular is Cassiopeia in 2026?

In 2026, Cassiopeia ranks #7,056 among girls' names in the U.S., with 15 babies given the name that year.

When was Cassiopeia most popular?

Cassiopeia reached its peak popularity in 2022, ranking #4,737 that year with 18 babies given the name.

Is Cassiopeia a unisex name?

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

What names go well with Cassiopeia?

Names that share a similar style or popularity range with Cassiopeia include Kennetta, Aliscia, Cherina. These pairings are based on rank proximity and naming era in U.S. data.

About the name Cassiopeia

Cassiopeia is a girl baby name tracked by the U.S. Social Security Administration. It first appeared in SSA records in 1979 and has accumulated 410 births in the dataset. Cassiopeia's peak popularity came in 2022 when it ranked #4,737. Use the chart and map above to compare Cassiopeia'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.