Candida has a Roman stock, one in the Neapolitan in Cardito and Naples, and one from Salento in Oria and Francavilla Fontana in Brindisi and Taranto, Candidi is typical of the Roman, of Velletri, Rome, Lariano and Tivoli, Candido is panitalian, with the stocks most important in Friuli, in the Roman and Latin, in the Neapolitan, in Puglia, especially in the Lecce, in the Reggio and in Sicily, they should derive from the Latin cognomen Candidus, Candida. additions provided by Stefano Ferrazzi The origin of these surnames is to be found in the medieval name Candido, which, in augural onomastics, should probably be understood in the sense of pure, with a candid soul. In southern Italy, however, it cannot be ruled out that the surnames Candida, Candido, etc sometimes have an arbëreshë (more probably Greek-Albanian) origin, referring, that is, to the ethnic name of the island of Candia, now known as Crete (for a more detailed explanation, see Candita and Di Candia): this consideration, in fact, seems to apply mostly to the Salento and Tarantine strains, taking into account that, in the south of Puglia, the distribution of the surnames Candida and Candido is very similar to that of the surnames Candita and Candito. additions provided by Giovanni Vezzelli Also worth mentioning is the possibility of a derivation from the toponym Candida in the province of Avellino.
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