UK boy's name
Cassien
A masculine name of French origin meaning "hollow, empty, or worthless".
For 2026, the newest official UK baby-name figures on this page are from 2012. That release is the current official benchmark rather than a forecast.
Cassien is a boy's name in the UK records. People looking for Cassien popularity in 2026 should use the latest official release, which is 2012 in this profile. In that release it ranked #4805, with 3 babies registered with the name. Its strongest year in the published records was 2012, with 3 births.
This profile covers 3 England and Wales registrations across 1 recorded years from 2012 to 2012. 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.
Cassien is at its recorded peak in the England and Wales series.
We estimate that about 3 living people in the UK are called Cassien. 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 2013 or 2026.
Key insights
- • Cassien ranked #4805 for boys in England and Wales in 2012, with 3 registrations.
- • The name peaked in 2012, when 3 boys were registered as Cassien.
- • About 3 living people in the UK are estimated to have Cassien as a first name, after adjusting past birth registrations with ONS life tables.
Latest rank (E&W)
#4805
2012
Births in 2012
3
Latest year
Peak year
2012
3 births
Estimated living
3
2026
Meaning
What does Cassien mean?
The name Cassien originates from the Late Latin Cassiānus, which was derived from the Roman family name Cassius. The Cassius gens was a prominent patrician family in ancient Rome, tracing their ancestry back to the founding of the city.
The name Cassien gained popularity in the Christian tradition due to Saint John Cassian, a monk and theologian who lived in the late 4th and early 5th centuries. He is revered for introducing the ideas and practices of Eastern monasticism to the West. His writings, particularly his work on monastic institutions, the "Institutes" and the "Conferences," had a significant influence on the development of Western monasticism.
One of the earliest recorded instances of the name Cassien can be found in the writings of the 6th-century historian Gregory of Tours, who mentioned a bishop named Cassien in his work "Historia Francorum." This suggests that the name was in use in Gaul (modern-day France) during the early medieval period.
Throughout history, several notable individuals have borne the name Cassien. One of the most famous was Cassien de Nantes (c. 680 - c. 720), a Breton prince who became a monk and is venerated as a saint in the Catholic Church. Another prominent figure was Cassien de Marseille (c. 360 - c. 435), a monk and theologian who is considered one of the founders of Western monasticism.
In the 11th century, Cassien de Vedène (c. 1050 - c. 1120) was a French abbot and saint who helped reform the Benedictine order in southern France. Several centuries later, Cassien de Lille (1600 - 1676) was a French Jesuit priest and author who wrote extensively on theology and philosophy.
The name Cassien also appeared in the Byzantine Empire, where the 11th-century theologian and bishop Cassien of Constantinople (c. 1010 - c. 1092) played a significant role in the theological debates of his time.
While the name Cassien has its roots in ancient Roman and Christian traditions, it has maintained a presence throughout history, being borne by various individuals from different regions and backgrounds.
Sourced from namecensus.com.
Decades
Cassien by decade
Decade totals smooth out the yearly jumps and make it easier to see whether Cassien 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 |
|---|---|---|---|
| 2010s | #4805 | 3 | 1 |
Related
Names similar to Cassien
- 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
Cassien: questions and answers
How popular is the name Cassien in the UK right now?
In 2012, Cassien was ranked #4805 for boys in England and Wales, with 3 births registered.
When was Cassien most popular?
The peak year on record was 2012, with 3 babies registered as Cassien in England and Wales.
What is the meaning and origin of Cassien?
A masculine name of French origin meaning "hollow, empty, or worthless".
How many people are called Cassien in the UK?
A total of 3 babies have been registered as Cassien across the 1 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.