Devonne is a unisex appellation of English origin, etymologically derived from the historic county of Devon in southwestern England—a toponym rooted in the ancient Celtic tribe Dumnonii, whose name likely denoted “deep valley dwellers.” The orthographic adaptation to Devonne, effected by the addition of a terminal –e, reflects modern naming conventions that preserve geographic heritage while conferring phonetic distinction. Pronounced deh-VAWN (/dɛˈvɔn/), the name has maintained a consistent yet modest presence in the United States, ranking between 800 and 930 from the late twentieth century into the early twenty-first, with seven recorded occurrences and a rank of 917 in 2024, indicating measured appeal among parents seeking a balanced, cross-gender designation. Technically, Devonne’s two-syllable form with second-syllable stress yields a stable phonological profile, while its Anglo-American cultural associations—anchored in the rugged landscapes and enduring traditions of southwestern England—underscore its analytical resonance within onomastic discourse.