Cass
Cass: name meaning, origin and popularity
Meaning and origin of Cass
Root meaning: “descendant of the curly-haired one”
- A diminutive of the female given name Cassandra of medieval origin, later also used for Cassidy, Cassiopeia, and Catherine with its variant forms.
- A male given name transferred from the surname.
- A diminutive of the male given name Cassius.
Etymology
As an English surname, from a pet form of Cassandra. * As an Irish surname, from Ó Cais (“descendant of the curly-haired one”), from cas (“curly”).
How popular is Cass?
Since 1880, 133 girls and 1,860 boys in the U.S. have been named Cass (7% girls). Its highest rank for girls was #4291 in 1949. Its highest rank for boys was #719 in 1881. In 2025, 19 babies were given the name, outside the top 1,000.
Names similar to Cass
Names that start with the same letters, most popular first.
More Surname boy names
Sibling name ideas for Cass
Sister and brother names that share Cass's Surname roots and are still in the U.S. top 1,000.
Cass FAQ
What does the name Cass mean?
Cass traces back to a root meaning "descendant of the curly-haired one". A diminutive of the female given name Cassandra of medieval origin, later also used for Cassidy, Cassiopeia, and Catherine with its variant forms. A male given name transferred from the surname. A diminutive of the male given name Cassius. As an English surname, from a pet form of Cassandra. * As an Irish surname, from Ó Cais (“descendant of the curly-haired one”), from cas (“curly”).
What is the origin of the name Cass?
Cass is listed as a name of Surname (transferred from a surname) origin.
How popular is the name Cass?
Since 1880, 133 girls and 1,860 boys in the U.S. have been named Cass (7% girls). Its highest rank for girls was #4291 in 1949. Its highest rank for boys was #719 in 1881. In 2025, 19 babies were given the name, outside the top 1,000.
Is Cass a boy or girl name?
Cass is mostly a boy name in the U.S.: 133 girls and 1,860 boys since 1880.
Popularity data: U.S. Social Security Administration baby name data, 1880–2025 (names given to 5+ babies per year). Origin and etymology text: Wiktionary, available under CC BY-SA 4.0.