Cassiopeia
A girls’ name of Greek origin, meaning she whose words excel; a figure in Greek mythology.
Babies a year
3
England and Wales, 2025
Rarity
Very rare
among names in use
US popularity
—
outside the top 1000
UK popularity
#5927
3 babies
Cassiopeia by the numbers
In 2025, 3 babies in England and Wales were named Cassiopeia. In the US, 10 were, though that figure is from 2017, the most recent full year we hold.
For the size of the two countries, it is given noticeably more often in England and Wales than in the US.
Its American peak was 15 babies in 1984, making it a 1980s name.
Names about as common as Cassiopeia
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