What origin is the name Caithlin?

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

What are good brother names for Caithlin?

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

Is it Caithlin or Caitlin?

Both spellings are used. Caithlin means "A variant spelling of the Irish name Caitlin, meaning "pure.""; Caitlin is listed with the meaning "Virginal; pure. an irish gaelic variant of catherine from the old french form of the name". 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: Kaithlin.

Caithlin

Discover the meaning and origin of the name Caithlin

Caithlin

Girl

Irish

2 syllables

Caithlin is an Irish girl's name meaning "A variant spelling of the Irish name Caitlin, meaning "pure."".

Caithlin is a girl's name of Irish origin meaning "A variant spelling of the Irish name Caitlin, meaning "pure."". At 8 letters it is a longer name, which leaves room for a nickname. It has 2 syllables.

Origin: Irish
Gender: Girl
Syllables: 2

Last updated 24 October 2026.

What does Caithlin mean?

A variant spelling of the Irish name Caitlin, meaning "pure."

How popular is Caithlin?

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

Quick answers about Caithlin

What does Caithlin mean?

Caithlin is a girl name of Irish origin meaning "A variant spelling of the Irish name Caitlin, meaning "pure."".

How popular is Caithlin?

We have no birth-record ranking for Caithlin: 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 Caithlin

Liam Aiden Aidan Sean Declan Patrick

How to say Caithlin

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Name numerology

5is the Chaldean number for Caithlin.

Number 5 is linked with curiosity, freedom and adventure.

More names with number 5

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

Compare Caithlin with other names

Combine Caithlin with another name

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

Other spellings of Caithlin

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

Caitlin — "Virginal; pure. an irish gaelic variant of catherine from the old french form of the name" (Irish)
Kaithlin — "Pure" (Unknown origin)

Compare Caithlin with Caitlin, Kaithlin

Caithlin at a glance

Letters: 8
Syllables: 2
Starts with: C
Ends with: -in
Vowels: 3 of 8 letters

Which other names end in -in?

Benjamin

8-letter girl names

Which names have a similar meaning to Caithlin?

Caithlin means "A variant spelling of the Irish name Caitlin, meaning "pure."" — these names share that spirit.

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)
Logan — "Logan is a Scottish surname from a place name, from the Gaelic lagan, meaning 'little hollow'." (Scottish)
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)