boy name
Cassian
Gender
Boy
Popularity
#479 · U.S. boys (2025)
Popularity of Cassian in the US, 1880–2025
Cassian first appears in US records in 1997. It peaked in 2025, when 633 boys were given the name; in 2025 there were 633.
Source: US Social Security Administration.
Frequently asked questions
Is Cassian a boy or a girl name?
Cassian is most commonly used as a boy name.
How popular is the name Cassian?
In 2025, Cassian ranked #479 among boys’ names in the United States, according to U.S. Social Security Administration data.
When was the name Cassian most popular?
Cassian was most popular in 2025, when about 633 US babies were given the name that year, according to US Social Security Administration records.