Casen
Gender: Boy
Meaning: Pure, vigilant
Origin: Irish (variant)
Popularity: Ranked #842 in 2025 with 293 babies born.
History: Casen surged in the 2020s as a creative variant of Jason/Mason. The C-start and -en ending combine trending elements. Casen represents the American naming laboratory in action — mixing proven sounds into fresh combinations.
Name length: 5 letters
How common is Casen? About 1 in 11,360 babies born in 2025 were named Casen, or roughly 0.8 per day in the United States.
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Frequently asked about Casen
What does the name Casen mean?
Casen means “Pure, vigilant” from Irish (variant) roots.
What is the origin of the name Casen?
Casen has Irish (variant) origin. The traditional meaning is “Pure, vigilant”.
How popular is Casen?
Casen ranked #840 in 2025 — given to 293 babies that year.
When was Casen most popular?
Casen peaked in 2014 with 437 babies registered that year.
Is Casen a boy or girl name?
Casen is predominantly a boys' name — over 90% of Casens in registered births are male.
Is the name Casen rising or falling in popularity?
Casen has fallen 102 spots in the rankings over the last 5 years — from #738 in 2020 to #840 in 2025.
How long has Casen been recorded?
Casen appears in birth records across 40 years — from 1978 through 2025.