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Cassity

♀ Girl

How to Pronounce Cassity

Pronounced KASS-ih-tee /ˈkæsɪti/Medium

Meaning: Cassity is a spelling variant of Cassidy, from the Irish surname O Caiside, 'descendant of Caiside', where Caiside is linked to a word for curly hair. Like many Irish surnames it became a girl's given name in the twentieth-century United States, and the -ity spelling gives it a slightly softer, word-like look while keeping the Cassidy sound.Low

In 30 seconds: Cassity is a variant of Cassidy, an Irish surname name meaning 'descendant of Caiside'. It stayed uncommon in the United States, peaking in the late nineteen-nineties (said KASS-ih-tee).

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Origin MediumIrish

MeaningCassity is a spelling variant of Cassidy, from the Irish surname O Caiside, 'descendant of Caiside', where Caiside is linked to a word for curly hair. Like many Irish surnames it became a girl's given name in the twentieth-century United States, and the -ity spelling gives it a slightly softer, word-like look while keeping the Cassidy sound.

U.S. rank (2016)#16763 ↘ Falling

2016 U.S. births5 girls (0.00% of U.S. girls)

Peak year1998

Total births (all-time)≈ 358

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

Cassity is a respelling of Cassidy, from the Irish O Caiside, 'descendant of Caiside'. It followed the wider move of Irish surnames into girls' given names late in the twentieth century, the -ity ending lending a gentle, familiar shape.

Cassity was never common in the United States; only a couple dozen girls a year received it around its quiet high near 1998. It reads as a fresh surname-style name, and a girl named Cassity then is in her twenties now.

Did you know? Cassity shares its root with the surname Cassidy, tied to an old Irish word for curly hair.

Overall data confidence 55%

References - Cassity / Cassidy — Variant of Cassidy; Irish O Caiside 'descendant of Caiside'

Variations

CassidyCassideyCassiddyKassidyCassiti

Nicknames

CassCassie

Famous Bearers

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If you like Cassity…

Cassidy— the standard name Cassity varies

Kassidy— a k-spelled cousin of the same name

Cassandra— shares the Cass- opening

Macy— another surname-style girl's name

Explore names like Cassity

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Frequently Asked

What does the name Cassity mean?

It is a form of Cassidy, from an Irish surname meaning 'descendant of Caiside', linked to curly hair.

How do you pronounce Cassity?

It is said KASS-ih-tee /ˈkæsɪti/, three syllables, stress on the first.

Is Cassity a boy or girl name?

Cassity is used as a girl's name.

Is Cassity a popular name?

No, it has always been uncommon, a variant of Cassidy that rose a little in the late nineteen-nineties.