UK boy's name
Cassian
A masculine name of Latin origin meaning "hollow" or "empty".
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.
Cassian is a boy's name in the UK records. People looking for Cassian popularity in 2026 should use the latest official release, which is 2024 in this profile. In that release it ranked #367, with 118 babies registered with the name. Its strongest year in the published records was 2023, with 136 births.
This profile covers 810 England and Wales registrations across 26 recorded years from 1996 to 2024. The figures come from ONS England and Wales and NRS Scotland, 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 87% of the recorded peak, which gives a quick read on how the name has moved since its high point.
We estimate that about 814 living people in the UK are called Cassian. 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
- • Cassian ranked #367 for boys in England and Wales in 2024, with 118 registrations.
- • The name peaked in 2023, when 136 boys were registered as Cassian.
- • Cassian ranks best in Scotland in the latest published regional snapshot for that area, where it placed #727 in 2024.
- • About 814 living people in the UK are estimated to have Cassian as a first name, after adjusting past birth registrations with ONS life tables.
Latest rank (E&W)
#367
2024
Births in 2024
118
Latest year
Peak year
2023
136 births
Estimated living
814
2026
Meaning
What does Cassian mean?
The name Cassian originated from the late Latin name Cassianus, which was derived from the Roman family name Cassius. This name has its roots in the Etruscan language and culture, with the word 'cassis' meaning 'helmet'. The name Cassian was popular among early Christians, particularly in the 4th and 5th centuries CE.
One of the earliest recorded examples of the name Cassian comes from St. John Cassian, a monk and theologian born around 360 CE in the Roman province of Scythia Minor (modern-day Romania). He was an influential figure in the development of Western monasticism and wrote several important works, including the Institutes and the Conferences.
Another notable figure with the name Cassian was Cassian of Imola, an Italian jurist and canonist who lived in the 14th century. He is known for his commentaries on canon law and his work in the field of legal studies.
In the 6th century CE, there was a Bishop of Autun named Cassian, who is venerated as a saint in the Catholic Church. He is believed to have played a significant role in the establishment of Christianity in the region of Burgundy, France.
The name Cassian also appears in the writings of St. Gregory of Tours, a Gallo-Roman historian and bishop from the 6th century CE. He mentions a monk named Cassian who lived in the monastery of St. Mesmin near Orléans, France.
In more recent times, Cassian Balmadrid (1810-1887) was a Spanish painter and engraver known for his works depicting historical and religious scenes. He was a prominent figure in the Spanish art world of the 19th century.
Cassian Luisetti (1892-1959) was an American basketball player and coach who is credited with introducing and popularizing the running one-handed shot in the sport. He played for and coached the San Francisco Dons basketball team and was inducted into the Naismith Memorial Basketball Hall of Fame in 1959.
These are just a few examples of notable individuals who have borne the name Cassian throughout history, showcasing its rich cultural and historical significance across various regions and time periods.
Sourced from namecensus.com.
Popularity
Cassian over time
The chart below shows babies named Cassian registered in England and Wales in the years where the name appears in the published records, from 1996 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 Cassian, the clearest high point is 2023. The latest England and Wales figure is 118 births in 2024, compared with 136 at the peak.
Babies born per year
Decades
Cassian by decade
Decade totals smooth out the yearly jumps and make it easier to see whether Cassian 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 | #451 | 476 | 5 |
| 2010s | #1245 | 242 | 10 |
| 2000s | #2031 | 80 | 9 |
| 1990s | #1842 | 12 | 2 |
Geography
Where Cassian is most common
The bars show the latest published local birth counts for Cassian. They are useful for spotting where the name is showing up in real numbers, while the rank beside each bar shows how strongly it performs inside that region.
Cassian ranks best in Scotland in the latest published regional snapshot for that area, where it placed #727 in 2024.
Across the UK
Cassian in Scotland and Northern Ireland
Scotland (NRS)
#727 in 2024
3 years of NRS records, 9 total registered
Notable bearers
Famous people named Cassian
-
Cassian Elwes
film director; businessperson; film producer
British film producer and talent agent
1959-
Related
Names similar to Cassian
- Charlie 104,761
- Callum 65,796
- Connor 53,072
- Cameron 40,394
- Charles 33,091
- Christopher 26,849
- Caleb 15,553
- Corey 12,622
- Carter 11,505
- Cody 11,075
- Conor 10,298
- Christian 9,695
FAQ
Cassian: questions and answers
How popular is the name Cassian in the UK right now?
In 2024, Cassian was ranked #367 for boys in England and Wales, with 118 births registered.
When was Cassian most popular?
The peak year on record was 2023, with 136 babies registered as Cassian in England and Wales.
What is the meaning and origin of Cassian?
A masculine name of Latin origin meaning "hollow" or "empty".
How many people are called Cassian in the UK?
A total of 810 babies have been registered as Cassian across the 26 years of ONS England & Wales records shown here, plus 9 more in Scotland.
Where is Cassian most common?
In the latest published local rankings, Cassian ranks best in Scotland, where it placed #727 in 2024. The regional bars on this page use birth counts, so they also reflect the size of each region.
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.