Hilarius
Ἱλάριος
(Ἱλάριος), a Phrygian, an interpreter of oracles, implicated in the proceedings of Theodorus, who attempted to discover by magic who should succeed the emperor Valens. He was executed in the course of the judicial proceedings which followed. (Amm. Marc. 29.1; Zosim. 4.15; Tillemont, Hist. des Emp. vol. v.)
From William Smith (ed.), Dictionary of Greek and Roman Biography and Mythology. Text provided under a CC BY-SA license by Perseus Digital Library, http://www.perseus.tufts.edu, with funding from the National Endowment for the Humanities and Tufts University. Data accessed from https://github.com/PerseusDL/canonical-pdlrefwk/ on 17 October 2026.