Updated June 9, 2019 Share: Family name origins & meanings Spanish (Mirón) : Castilianized spelling of Catalan Miró (see Miro).Spanish (Mirón) : from mirón, a derivative of mirar ‘to look’ (Latin mirare), possibly a nickname in the sense ‘nosy’, ‘inquisitive’.French : from a diminutive of Mire.Greek : variant of Myron.