What origin is the name Keisi?

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

What are good brother names for Keisi?

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

Is it Keisi or Keisy?

Both spellings are used. Keisi means "A modern spelling of the name Casey, meaning vigilant or watchful. It has roots in the Irish Gaelic name Cathasaigh."; Keisy is listed with the meaning "A modern invented spelling variant of Casey, which means vigilant or watchful.". 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.

Keisi

Discover the meaning and origin of the name Keisi

Keisi

Girl

Irish

2 syllables

Keisi is an Irish girl's name meaning "A modern spelling of the name Casey, meaning vigilant or watchful. It has roots in the Irish Gaelic name Cathasaigh".

Keisi is a girl's name of Irish origin meaning "A modern spelling of the name Casey, meaning vigilant or watchful. It has roots in the Irish Gaelic name Cathasaigh". It has 2 syllables.

Origin: Irish
Gender: Girl
Syllables: 2

Last updated 24 October 2026.

What does Keisi mean?

A modern spelling of the name Casey, meaning vigilant or watchful. It has roots in the Irish Gaelic name Cathasaigh.

How popular is Keisi?

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

Quick answers about Keisi

What does Keisi mean?

Keisi is a girl name of Irish origin meaning "A modern spelling of the name Casey, meaning vigilant or watchful. It has roots in the Irish Gaelic name Cathasaigh.".

How popular is Keisi?

We have no birth-record ranking for Keisi: 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 Keisi

Liam Aiden Aidan Sean Declan Patrick

How to say Keisi

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Name numerology

3is the Chaldean number for Keisi.

Number 3 is linked with creativity, joy and self-expression.

More names with number 3

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

Compare Keisi with other names

Combine Keisi with another name

Our free name combiner blends two names into new baby name ideas.

Other spellings of Keisi

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

Keisy — "A modern invented spelling variant of Casey, which means vigilant or watchful." (Unknown origin)

Compare Keisi with Keisy

Keisi at a glance

Letters: 5
Syllables: 2
Starts with: K
Ends with: -si
Vowels: 3 of 5 letters

5-letter girl names

Which names have a similar meaning to Keisi?

Keisi means "A modern spelling of the name Casey, meaning vigilant or watchful. It has roots in the Irish Gaelic name Cathasaigh." — these names share that spirit.

Logan — "Logan is a Scottish surname from a place name, from the Gaelic lagan, meaning 'little hollow'." (Scottish)
Aiden — "Aiden is a spelling of Aidan, from the Irish Aodhán, meaning 'little fire'. Aodh was a Celtic god of fire." (Irish)
Liam — "Liam is the Irish short form of William, from Germanic words meaning 'will' and 'helmet', so 'resolute protector'." (Irish)
Michael — "Michael comes from the Hebrew Mikha'el, a question meaning 'who is like God?'. It is the name of an archangel." (Hebrew)
Emily — "Emily comes from the Roman family name Aemilius, probably from the Latin aemulus, meaning 'rival' or 'eager to excel'." (Latin)
Elizabeth — "Elizabeth comes from the Hebrew Elisheva, meaning 'my God is an oath'. It is the name of John the Baptist's mother." (Hebrew)
Avery — "Avery is an English surname from the Norman form of Alberich, a Germanic name meaning 'elf ruler'." (English)
Sofia — "Sofia is a spelling of Sophia, from the Greek sophia, meaning 'wisdom'. It is common in Spanish, Italian and Slavic languages." (Greek)