The first name Cassian
A boy’s name from Latin.
Pronounced /ˈkæsi.ən/ 2 syllables Male
Meaning and origin
Latin origin
From Latin Cassianus, derivative of Cassius. Name of early saints.
From Wiktionary (CC BY-SA 4.0).
Popularity
Babies registered in England and Wales, 1996–2025
In 2025, 158 boys were named Cassian, making it the 287th most popular boys’ name.
Office for National Statistics; years with fewer than three births are not published and show as zero. Compare Cassian with other names.
Popularity in the United States
Babies named Cassian at birth, 1880–2025
In 2025, 633 boys born in the United States were named Cassian, the 479th most popular boys’ name that year.
US Social Security Administration, from applications for a Social Security card. A name is only published for a year when at least five babies were given it, so quieter years show as zero.
Famous people named Cassian
1 on Wikidata, most written-about first
- Cassian of ImolaBishop of Brescia, 240–303
More Latin boys’ names
Questions
- What does the name Cassian mean?
- From Latin Cassianus, derivative of Cassius. Name of early saints.
- What is the origin of the name Cassian?
- From Latin Cassianus, derivative of Cassius. Name of early saints.
- How popular is the name Cassian?
- In 2025, 158 boys born in England and Wales were named Cassian, ranking 287th.
- Is Cassian a boy's or a girl's name?
- Mostly a boy's name: 100% of the 2,907 US babies named Cassian since 1880 were boys.
- When was Cassian most popular?
- 2025 in the United States, when 633 babies were named Cassian, its highest rank at 479th.
- How do you pronounce Cassian?
- Cassian is /ˈkæsi.ən/, 2 syllables.