Rooted in the Latin adjective hilaris (“cheerful”) and ultimately traced to the Greek ἱλαρός (hilaros), the masculine name Hilario has been historically adopted across Iberian and Romance-speaking domains, where it signifies both an emotional attribute and an ecclesiastical legacy—most prominently through Saint Hilary of Poitiers’s Spanish counterpart, Hilario. Onomastic classification places Hilario among virtue-based anthroponyms that reflect Roman-era conventions of ascribing personal qualities via linguistic form. Its phonological profile—an unstressed initial syllable, a primary stress on the second, and four total syllables (/iˈlaʊ.ri.o/)—conforms to Spanish prosody while accommodating cross-linguistic articulation. Empirical data from United States birth records reveal a consistent albeit modest frequency since the early 1900s, culminating in 32 recorded instances in 2024 (rank 892), which underscores its stable niche presence. Consequently, Hilario presents a technically robust and semantically resonant option for those seeking a name with documented historical depth, precise morphological structure, and enduring cultural relevance.
| Hilario Davide Jr. - | 
| Hilario Ascasubi - | 
| Hilario - | 
| Hilário - |