431births recorded
2Countries
1Variants
2018Peak · England & Wales
#8860United States 2025
Cassiopeia is a girl name family recorded 431 times in 2 countries since 1979. It ranks highest today in the United States (#8860 in 2025). Its all-time peak was in England & Wales in 2018, at 1.2 births per 100,000.
Popularity by country
Births per 100,000 newborns, all forms of the name combined.
All forms of Cassiopeia
| Variants | Language | Total births | Country | Latest rank | Peak year | 10-year trend |
|---|---|---|---|---|---|---|
| Cassiopeia | English | 391 | 🇺🇸 United States | #8860 | 2023 | ▲ 37 % |
| Cassiopeia | English | 40 | 🏴 England & Wales | – | 2018 | – |
Questions about Cassiopeia
How popular is the name Cassiopeia?
In 2025 it ranked #8860 in the United States. Official registers record 431 births across 2 countries.
When was Cassiopeia most popular?
It peaked in England & Wales in 2018, at 1.2 births per 100,000.
Is Cassiopeia a boy or a girl name?
In official birth registers, Cassiopeia is a girl name.