UK girl's name
Caia
A feminine name of Latin origin referring to the mythological goddess of fire.
For 2026, the newest official UK baby-name figures on this page are from 2024. That release is the current official benchmark rather than a forecast.
Caia is a girl's name in the UK records. People looking for Caia popularity in 2026 should use the latest official release, which is 2024 in this profile. In that release it ranked #2411, with 11 babies registered with the name. Its strongest year in the published records was 2018, with 13 births.
This profile covers 158 England and Wales registrations across 19 recorded years from 1999 to 2024. 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 85% of the recorded peak, which gives a quick read on how the name has moved since its high point.
We estimate that about 157 living people in the UK are called Caia. 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 2025 or 2026.
Key insights
- • Caia ranked #2411 for girls in England and Wales in 2024, with 11 registrations.
- • The name peaked in 2018, when 13 girls were registered as Caia.
- • About 157 living people in the UK are estimated to have Caia as a first name, after adjusting past birth registrations with ONS life tables.
Latest rank (E&W)
#2411
2024
Births in 2024
11
Latest year
Peak year
2018
13 births
Estimated living
157
2026
Meaning
What does Caia mean?
The name Caia has its roots in ancient Rome, where it was derived from the Latin word "gaudium," meaning "joy" or "rejoice." It was a popular name among Roman families during the height of the Roman Empire, particularly from the 1st century BC to the 4th century AD.
One of the earliest recorded instances of the name Caia can be found in ancient Roman inscriptions and historical records. A notable example is Caia Afrania, a Roman woman who lived during the 1st century BC and was known for her philanthropy and involvement in public affairs.
In the early days of Christianity, the name Caia gained additional significance. It was borne by Saint Caia, a 3rd-century martyr who was executed for her Christian beliefs during the persecution under the Roman Emperor Diocletian.
As Christianity spread throughout Europe, the name Caia continued to be used, although its popularity waxed and waned in different regions. In medieval times, it was particularly common in parts of Italy and Spain.
One notable figure from this period was Caia di Pierfrancesco de' Medici (1456-1487), a member of the influential Medici family in Florence, Italy. She was the daughter of Pierfrancesco de' Medici and was known for her beauty and patronage of the arts.
During the Renaissance, the name Caia was embraced by several prominent Italian families, including the Borgias and the Sforzas. Caia Sforza (1465-1539) was an Italian noblewoman and the Countess of Santa Fiora, known for her influential role in the political affairs of her time.
In the 17th century, the name gained popularity in England, where it was sometimes spelled as "Caia" or "Kaya." One notable bearer was Caia Shaa (1603-1680), an English writer and translator who was among the first women to publish literary works in English.
Another significant figure was Caia Amatuzzi (1701-1787), an Italian painter and engraver who was active in Rome during the 18th century. She was known for her portraiture and religious works, and her art can be found in various churches and collections throughout Italy.
While the name Caia has become less common in modern times, it has left a lasting legacy across different cultures and time periods, reflecting its rich history and associations with joy, resilience, and artistic expression.
Sourced from namecensus.com.
Popularity
Caia over time
The chart below shows babies named Caia registered in England and Wales in the years where the name appears in the published records, from 1999 to 2024. Empty years are left out so rare names are not stretched across long periods where the published files do not show any registrations.
For Caia, the clearest high point is 2018. The latest England and Wales figure is 11 births in 2024, compared with 13 at the peak.
Babies born per year
Decades
Caia by decade
Decade totals smooth out the yearly jumps and make it easier to see whether Caia 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 | #2737 | 46 | 5 |
| 2010s | #2486 | 92 | 9 |
| 2000s | #3784 | 17 | 4 |
| 1990s | #3900 | 3 | 1 |
Related
Names similar to Caia
- 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
Caia: questions and answers
How popular is the name Caia in the UK right now?
In 2024, Caia was ranked #2411 for girls in England and Wales, with 11 births registered.
When was Caia most popular?
The peak year on record was 2018, with 13 babies registered as Caia in England and Wales.
What is the meaning and origin of Caia?
A feminine name of Latin origin referring to the mythological goddess of fire.
How many people are called Caia in the UK?
A total of 158 babies have been registered as Caia across the 19 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.