Latin origin
Source-reportedMeaning: “cheerful, jovial”
Karelian form of Russian Иларион (Ilarion), a saints' name from Latin Hilarianus, derivative of Hilarius (literally “cheerful, jovial”).
Sources for this account (4)
- Wiktionary: IlariCC-BY-SA-4.0 · retrieved 2026-10-15
- Greek Wiktionary: IlariCC-BY-SA-4.0 · retrieved 2026-10-15
- Polish Wiktionary: IlariCC-BY-SA-4.0 · retrieved 2026-10-14
- Russian Wiktionary: IlariCC-BY-SA-4.0 · retrieved 2026-10-14

