Onicio as a Baby Name. Meaning and Origin of Onicio

What is the meaning of the name Onicio ?

The baby name Onicio is a Male name , 3 syllables long and is pronounced oh-NEE-see-oh (English/Latin American Spanish); oh-NEE-thyo (Spain); oh-NEE-cho (Italian approximation).

Onicio is Latin, Spanish in Origin.

Onicio is a rare Romance given name most plausibly tracing to the Latin nomen/cognomen Onicius, built on Latin onyx (from Greek ónux, “claw, fingernail,” later “onyx stone”) with the adjectival suffix -icius. By extension, the name is often interpreted as “onyx” or associated with qualities linked to the gemstone - endurance, sleek beauty, and composure.

Attested sporadically in Late Antique and medieval Latin records as Onicius/Onicia, the name later surfaces in Iberian and Italian contexts and today is found - though still uncommon - across Portuguese- and Spanish-speaking regions and parts of Latin America. Variants and related forms include Portuguese Onício (accented), Italian/Spanish Onicio, Latin Onicius; feminine counterparts Onicia or Onícia. Diminutives sometimes reduced to Nicio. The rarity of the name gives it a distinctive, antiquarian feel, while its gem-derived sense aligns with modern trends favoring nature and mineral-inspired names.

⚙ Onicio is about as rare as a name gets. We count just 3 recorded uses of it worldwide, from 1 country.