Raiola is typically Campano, of the Neapolitan, of Torre del Greco, Naples, Torre Annunziata, Boscoreale, Trecase, San Giorgio a Cremano, Nola, Boscotrecase, Herculaneum and Pompei, and of the Salernitano, of Scafati, and Salerno, Raiolo, very rare, is of the Cosentino, of Terravecchia and Rossano, Rajola is specific to Naples, should derive from an ancient nickname based on the Catalan term Rajola (tile, majolica), perhaps to indicate the profession of the founder.
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