What origin is the name Iarlaith?

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

What are good sister names for Iarlaith?

Names from the same Irish tradition pair naturally with Iarlaith — for example Riley, Nora, Keira. You can browse more on our Irish names page.

Iarlaith

Discover the meaning and origin of the name Iarlaith

Iarlaith

Boy

Irish

2 syllables

Iarlaith is an Irish boy's name meaning "Lord of the west".

Parents who choose Iarlaith pick a boy name from the Irish tradition, meaning "Lord of the west". At 8 letters it is a longer name, which leaves room for a nickname. It has 2 syllables.

Origin: Irish
Gender: Boy
Syllables: 2

Last updated 22 October 2026.

Meaning

Lord of the west

Popularity

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

Quick answers about Iarlaith

What does Iarlaith mean?

Iarlaith is a boy name of Irish origin meaning "Lord of the west".

How popular is Iarlaith?

We have no birth-record ranking for Iarlaith: 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.