Oakley is a proper noun used primarily as a surname or given name, and also recognized as a brand name. It refers to people (or derived brands) and places, typically pronounced with two syllables and emphasis on the first: /ˈoʊkli/ in General American and /ˈəʊkli/ in British English, often retaining the long “o” in the first syllable. The name blends the elements oak + ley, and functions as a lexeme with cultural associations tied to identity or branding.
Full pronunciation guide