Caysi
Caysi is an Irish girl name. Irish names are loved for their lilting sound and their links to Celtic saints and legends. It sounds soft and friendly, it's easy to spell and quick to call across a playground, and it pairs well with middle names of almost any length.
Did you know?
- GenerationCaysi peaked in 1988, which makes it a Millennial name. The typical Caysi you'd meet today is about 37 years old.
- HistoryCaysi first shows up in US birth records in 1988, the first year at least 5 babies got it. It has been in use for 37 years since.
US births per million girls, 1988–2025
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Popularity: U.S. Social Security Administration (babies with 5+ births per year).
About the name Caysi
Caysi is a girl name of Irish origin. Its two syllables give it an easy rhythm, and the open vowel at the end makes it sound soft and warm. It hit its peak in the 1980s, so it feels familiar without being trendy. It's rarely heard today, so it stands out while still being a real, established name.
Origin:Irish names
Other spellings of Caysi
More Irish girl names
- Girl name: Abigail · my father is joy
- Unisex name: Riley · rye clearing
- Girl name: Maeve · she who intoxicates
- Unisex name: Kennedy · helmeted head
- Girl name: Alina · possibly noble
- Unisex name: Rylee · rye clearing
- Unisex name: Sloane · raider
- Unisex name: Alani · orange tree
Questions about the name Caysi
What is the origin of the name Caysi?
Caysi is Irish in origin. Other Irish names to consider are Abigail (“my father is joy”), Riley (“rye clearing”), Maeve (“she who intoxicates”) and Kennedy (“helmeted head”).
Is Caysi a boy or girl name?
Caysi is a girl name.
How popular is the name Caysi?
Caysi is rare: fewer than 5 US girls got it in 2025, and it was last given to 5 or more in 1993. It peaked at #11,798 in 1988, so it's a name with history that few kids share today.
What names are similar to Caysi?
If you like Caysi, you might also like Kaysi. Kaysi is another spelling of the same name.
What should I know before naming my baby Caysi?
Caysi is an Irish girl name. Irish names are loved for their lilting sound and their links to Celtic saints and legends. It sounds soft and friendly, it's easy to spell and quick to call across a playground, and it pairs well with middle names of almost any length. Say it out loud with your last name and any middle names you're considering, and check the initials it makes.