Luar is a masculine given name of Portuguese origin, originally a Galician-Portuguese noun meaning “moonlight,” which by extension signifies luminous serenity and a tranquil nocturnal atmosphere. Phonetically, it is transcribed as /luˈar/ and rendered in English as LOO-ar, with syllabic stress on the second element. Though relatively rare in Anglo-American naming conventions, Social Security Administration data reveal a gradual adoption of Luar: five newborns were recorded with the name in both 2008 and 2015 (rank 910), followed by eleven in 2023 (rank 918) and seventeen in 2024 (rank 907). The appellation carries semantic associations of lunar radiance and gentle illumination, imparting a subtle poetic resonance that appeals to parents seeking distinctive, vocabulary-derived names. Its measured increase in usage underscores a broader onomastic trend toward lexeme-to-name transformations within contemporary American anthroponymy. As an exemplar of technical precision in phonology and orthography combined with evocative semantic content, Luar occupies a specialized niche in the current naming landscape.