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Kasidee
How to Pronounce Kasidee
Pronounced KASS-ih-dee /ˈkæs.ɪ.diː/Medium
Meaning: Kasidee is a contemporary respelling of Cassidy, an Irish surname turned given name. Cassidy comes from the Gaelic 'O Caiside,' descendant of Caiside, a personal byname understood to mean 'curly-haired' or 'clever.' Kasidee keeps that heritage while giving the name a soft, phonetic look.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
Kasidee is a modern, softened spelling of Cassidy, the Irish surname from 'O Caiside,' descendant of Caiside, a byname read as 'curly-haired.' Cassidy shifted from surname to unisex first name in the late twentieth century, and spellings like Kasidee are part of that same fashion for casual, phonetic forms.
Kasidee was never common in the United States, given to only about twenty girls a year at its faint peak in the twenty-tens, well behind the more familiar Cassidy. A girl named Kasidee then is still a child or young teen today.
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Frequently Asked
What does the name Kasidee mean?
As a form of Cassidy it comes from the Irish 'O Caiside,' a surname meaning 'curly-haired.'
How do you pronounce Kasidee?
It is said KASS-ih-dee /ˈkæs.ɪ.diː/, three syllables with the stress on the first.
Is Kasidee a boy or girl name?
Kasidee is used here as a girl's name.
How popular is Kasidee?
It has always been rare in the United States, given to only about twenty girls a year at its peak in the twenty-tens.