UK girl's name
Cassiopeia
The feminine name Cassiopeia is derived from Greek mythology, meaning "she whose words excel.".
For 2026, the newest official UK baby-name figures on this page are from 2023. That release is the current official benchmark rather than a forecast.
Cassiopeia is a girl's name in the UK records. People looking for Cassiopeia popularity in 2026 should use the latest official release, which is 2023 in this profile. In that release it ranked #4056, with 5 babies registered with the name. Its strongest year in the published records was 2018, with 7 births.
This profile covers 57 England and Wales registrations across 12 recorded years from 2005 to 2023. The figures come from ONS England and Wales, so the page is a view of published baby-name registrations rather than a forecast or a live count of people using the name today.
The latest count is about 71% of the recorded peak, which gives a quick read on how the name has moved since its high point.
We estimate that about 57 living people in the UK are called Cassiopeia. This uses published birth registrations from England and Wales, Scotland and Northern Ireland, then applies ONS national life tables to estimate how many are likely still alive. It does not forecast extra births for 2024 or 2026.
Key insights
- • Cassiopeia ranked #4056 for girls in England and Wales in 2023, with 5 registrations.
- • The name peaked in 2018, when 7 girls were registered as Cassiopeia.
- • About 57 living people in the UK are estimated to have Cassiopeia as a first name, after adjusting past birth registrations with ONS life tables.
Latest rank (E&W)
#4056
2023
Births in 2023
5
Latest year
Peak year
2018
7 births
Estimated living
57
2026
Meaning
What does Cassiopeia mean?
Cassiopeia is a feminine given name of Greek origin, derived from the name of a mythological figure in ancient Greek mythology. The name traces its roots back to the ancient Greek word "Kassiopeia," which was the name of a queen in Greek legend who boasted of her unrivaled beauty.
According to Greek mythology, Cassiopeia was the wife of King Cepheus of Aethiopia and the mother of the beautiful Andromeda. She famously offended the Nereids, sea nymphs who were considered goddesses of the sea, by claiming that her daughter Andromeda was more beautiful than they were. As punishment, the sea god Poseidon sent a sea monster to ravage the kingdom.
The name Cassiopeia gained further prominence in ancient literature when it was mentioned in the epic poems of Homer, specifically in the Iliad and the Odyssey. In these works, Cassiopeia is depicted as a celestial figure, with her constellation being one of the most recognizable patterns in the night sky.
One of the earliest recorded instances of the name Cassiopeia being used as a personal name dates back to the 5th century BCE, when a Greek woman named Cassiopeia was mentioned in an Athenian inscription. Throughout history, several notable figures have borne this name, including Cassiopeia, a Roman empress who lived in the 4th century CE and was the wife of Emperor Theodosius I.
In the realm of literature, Cassiopeia is the name of a character in William Shakespeare's play "Titus Andronicus," written around 1594. Another famous bearer of the name was Cassiopeia Maria Vici (1670-1727), an Italian painter and engraver known for her exceptional skills in portraiture and religious art.
During the Renaissance period, Cassiopeia was a popular name among the Italian nobility, with several women from prominent families bearing this name. One such example is Cassiopeia Gonzaga (1553-1637), a member of the prominent Gonzaga family of Mantua, who was known for her patronage of the arts and her involvement in Renaissance cultural circles.
In more recent times, Cassiopeia has been used as a given name in various parts of the world, though it remains relatively uncommon. Its strong ties to Greek mythology and its celestial associations have contributed to its enduring appeal as a unique and evocative name choice.
Sourced from namecensus.com.
Popularity
Cassiopeia over time
The chart below shows babies named Cassiopeia registered in England and Wales in the years where the name appears in the published records, from 2005 to 2023. Empty years are left out so rare names are not stretched across long periods where the published files do not show any registrations.
For Cassiopeia, the clearest high point is 2018. The latest England and Wales figure is 5 births in 2023, compared with 7 at the peak.
Babies born per year
Decades
Cassiopeia by decade
Decade totals smooth out the yearly jumps and make it easier to see whether Cassiopeia was a short-lived spike or a name that stayed in regular use. Average rank is calculated only from years where a published rank exists.
| Decade | Average rank | Total births | Years covered |
|---|---|---|---|
| 2020s | #4562 | 13 | 3 |
| 2010s | #4044 | 27 | 5 |
| 2000s | #4213 | 17 | 4 |
Related
Names similar to Cassiopeia
- Chloe 111,265
- Charlotte 88,733
- Caitlin 28,931
- Courtney 23,162
- Chelsea 13,049
- Clara 9,435
- Connie 8,402
- Catherine 8,376
- Charlie 7,964
- Cerys 7,506
- Casey 7,018
- Cara 6,375
FAQ
Cassiopeia: questions and answers
How popular is the name Cassiopeia in the UK right now?
In 2023, Cassiopeia was ranked #4056 for girls in England and Wales, with 5 births registered.
When was Cassiopeia most popular?
The peak year on record was 2018, with 7 babies registered as Cassiopeia in England and Wales.
What is the meaning and origin of Cassiopeia?
The feminine name Cassiopeia is derived from Greek mythology, meaning "she whose words excel.".
How many people are called Cassiopeia in the UK?
A total of 57 babies have been registered as Cassiopeia across the 12 years of ONS England & Wales records shown here.
Which records is this page based on?
The England and Wales timeline uses ONS baby-name records. Scotland figures come from NRS and Northern Ireland figures come from NISRA. Counts are registrations in published baby-name files. The living estimate uses those birth registrations with ONS national life tables.