Célio is a Portuguese masculine given name, a learned borrowing from the Latin Caelius. The Roman family name Caelius is derived from Latin caelum meaning "heaven," giving the name a celestial significance comparable to names like Celio (Spanish) or the feminine counterpart Célia.While not as common as its English equivalent Caellus, Célio has seen modest use in Portuguese-speaking countries, particularly in Brazil and Portugal. Its etymology reflects a long tradition of naming children after heavenly or divine concepts, a pattern found across many cultures from the Greek Ourania to the Latin Celestinus.As an adaptation of a Roman family name, Célio carries historical weight. In ancient Rome, the gens Caelia was a plebeian clan, and one of its most notable members was Marcus Caelius Rufus, a contemporary of Cicero. The leap from cognomen to popular given name demonstrates the enduring influence of Latin on Romance languages.Notable BearersNotable individuals named Célio include Célio de Carvalho (1958–2018), a Brazilian poet and literary critic member of the Academia Brasileira de Letras; and Célio Lacerda, a Portuguese rower who competed in the 1976 Olympics.ConclusionMeaning: "heavenly," derived from Latin caelum (heaven).Origin: Latin (Roman family name Caelius).Type: Given name.Usage: Portuguese-speaking countries, especially Brazil and Portugal.