What origin is the name Illarion?

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

What are good sister names for Illarion?

Names from the same Russian tradition pair naturally with Illarion — for example Mila, Nadia, Tatiana. You can browse more on our Russian names page.

Illarion

Discover the meaning and origin of the name Illarion

Illarion

Boy

Slavic

3 syllables

Illarion is a Slavic boy's name meaning "Cheerful".

Parents who choose Illarion pick a boy name from the Slavic tradition, meaning "Cheerful". At 8 letters it is a longer name, which leaves room for a nickname. It has 3 syllables.

Origin: Slavic
Gender: Boy
Syllables: 3

Last updated 22 October 2026.

Meaning

Cheerful

Popularity

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

Quick answers about Illarion

What does Illarion mean?

Illarion is a boy name of Slavic origin meaning "Cheerful".

How popular is Illarion?

We have no birth-record ranking for Illarion: 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.