Cassiopeia
Girl nameCassiopeia has been given to 391 babies in the U.S. since 1979. It peaked in 2022. In 2025, about 1 in 146,115 girls was named Cassiopeia.
Popularity over time births per year, 1880–2025
Total babies
391
Peak year
2022 (18 babies)
Rank in 2025
Below top 1000
First recorded
1979
10-year trend
▲ +22%
Gender split
All girls
Names with a similar vibe
Same primary gender, peaked around the same years, and roughly as common as Cassiopeia.
FAQ
How popular is the name Cassiopeia?
Cassiopeia has been given to 391 babies in the U.S. since 1979. It ranked below the top 1000 in 2025.
When did the name Cassiopeia peak?
Cassiopeia peaked in 2022, when 18 babies were given the name.
Is Cassiopeia a girl or boy name?
Cassiopeia is primarily a girl name (100% of babies named Cassiopeia are girls).
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