What is "illarion"

Illarion or Ilarion is a Russian first name; a transliteration of the Greek name "". It is shared by the following individuals:

• Illarion Pryanishnikov (1840–1894), Russian painter
• Count Illarion Ivanovich Vorontsov-Dashkov (1837–1916), Russian politician
• Illarion Ivanov-Schitz (1865–1937), Russian/Soviet architect
• Hilarion of Kiev, Metropolitan of Kiev