Given name
Cassiopeia
Cassiopeia is a feminine given name from Latin, ultimately from Ancient Greek.
Meaning & origin
Where it comes from
An origin associated with this spelling is Greek.
How it developed
From Latin Cassiopēia, from Ancient Greek Κασσιόπεια.
Adapted from Wiktionary (CC BY-SA 4.0)
The story
In mythological stories, Cassiopeia is associated with the mother of Andromeda.
Cassiopeia through the years
- Babies since 1880
- 391
- 0 boys · 391 girls
- Most popular year
- 2022
- 18 babies
- 2025
- 11
- #8,977 for girls
- 2021–25 vs 2016–20
- +50%
- Rising fast
By the numbers
In 2025, this name appeared in 11 U.S. birth records for girls, ranking No. 8,977 among girls’ names. Average annual use for girls was 50.0% higher in 2021–2025 than in 2016–2020. Published U.S. population figures for this spelling include 293 as a first name in 2020.
From Social Security birth records and U.S. Census name counts for this exact spelling. Other spellings are counted separately.
Cassiopeia’s family of names
In English usage, Cassiopeia has a diminutive in Cass. Cassiopeia has a related form in Cassiopea. Cassiopeia has a related form in Cassiopia.
Inner ring: spellings · middle: nicknames and forms · outer: across languages.
Nicknames & forms 4
Diminutives, pet forms, short forms and variants used alongside the name.
Spellings & scripts 1
The same name written differently, including transliterations into other scripts.
Across languages 1
Equivalents and cognates in other languages, plus older forms it grew from.
Similar names
If you love Cassiopeia, these share its style, era, origin or sound, from outside its own family.
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