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Casin
Pronounced KAY-sin /ˈkeɪsɪn/Medium
Meaning: Casin reads as a streamlined spelling of Cason, a surname-derived boy's name that rose in the twenty-first century, and it echoes the older name Cassian, from the Roman family name Cassius. Its meaning is inherited from those parents.Low
Popularity in the U.S. · SSA data
U.S. births per year (Social Security Administration, 1880–present). Pink marker = peak year.
SSA data updated May 2026. How we source & verify this data.
History & Origin
Casin is best read as a spelling variant of Cason, one of the surname-style boys' names that boomed in the early twenty-first century; it also brushes against the ancient name Cassian. Its appeal is its crisp, modern -sin sound.
It was never common, given to only about sixteen boys a year at its peak around 2009. A boy named Casin then is still a child or teenager today.
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Frequently Asked
What does the name Casin mean?
It is a modern variant of Cason, a surname-style name, also linked to the older name Cassian.
How do you pronounce Casin?
It is said KAY-sin /ˈkeɪsɪn/ - two syllables.
Is Casin a boy or girl name?
Casin is used as a boy's name.
How popular is Casin?
It has always been rare, given to only about sixteen boys a year at its peak in the two-thousands.













