What origin is the name Cacy?

Cacy comes from Irish naming traditions. Names from this origin often carry meanings tied to nature, virtues or heritage.

What are good brother names for Cacy?

Names from the same irish tradition pair naturally with Cacy — for example Liam, Aiden, Aidan. You can browse more on our irish names page.

Both spellings are used. Cacy means "A phonetic variant of Casey, which means "vigilant" in Irish."; Caci is listed with the meaning "Brave.". Families often choose the spelling that matches how the name is written in their language, or the one that is easiest to pronounce where they live. Other spellings: Kacy.

Cacy

Discover the meaning and origin of the name Cacy

Cacy

Girl

Irish

2 syllables

Cacy is an Irish girl's name meaning "A phonetic variant of Casey, which means "vigilant" in Irish".

Cacy is a girl's name of Irish origin meaning "A phonetic variant of Casey, which means "vigilant" in Irish". At just 4 letters, it is short and easy to say. It has 2 syllables.

Origin: Irish
Gender: Girl
Syllables: 2

Last updated 24 October 2026.

What does Cacy mean?

A phonetic variant of Casey, which means "vigilant" in Irish.

How popular is Cacy?

No birth-record data (source: not in US birth records; popularity in India is not tracked)

Quick answers about Cacy

What does Cacy mean?

Cacy is a girl name of Irish origin meaning "A phonetic variant of Casey, which means "vigilant" in Irish.".

How popular is Cacy?

We have no birth-record ranking for Cacy: it is not in US records, and India publishes no national name rankings. The meter above fills in as parents here view, search for and save the name.

Brother names that go with Cacy

Liam Aiden Aidan Sean Declan Patrick

How to say Cacy

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Name numerology

8is the Chaldean number for Cacy.

Number 8 is linked with ambition, strength and determination.

More names with number 8

Numerology is a cultural tradition for fun, not a prediction.

Compare Cacy with other names

Combine Cacy with another name

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Other spellings of Cacy

Parents also search for these spellings. Each has its own page with its meaning and origin.

Caci — "Brave." (Irish)
Kacy — "Alert; vigorous." (English)

Compare Cacy with Caci, Kacy

Cacy at a glance

Letters: 4
Syllables: 2
Starts with: C
Ends with: -cy
Vowels: 1 of 4 letters

4-letter girl names

Which names have a similar meaning to Cacy?

Cacy means "A phonetic variant of Casey, which means "vigilant" in Irish." — these names share that spirit.

Liam — "Liam is the Irish short form of William, from Germanic words meaning 'will' and 'helmet', so 'resolute protector'." (Irish)
Mia — "Mia is a Scandinavian and German short form of Maria. In Italian and Spanish, mia also means 'mine'." (Scandinavian)
Aiden — "Aiden is a spelling of Aidan, from the Irish Aodhán, meaning 'little fire'. Aodh was a Celtic god of fire." (Irish)