The Porta is widespread throughout the south, in Campania, Molise, Apulia, Calabria and above all Sicily, Laporta, decidedly less widespread, has a trietino stock and is well rooted in the whole of Puglia, these surnames should derive from the fact that families resided near the town or city gate, except that they were even the guardians.
Widespread throughout North central-western Italy especially in Liguria and western Lombardy, it seems to have strains also in Neapolitan, in Puglia and in the centre south of Sardinia, derives from an identification of locality, that is, those who live near the door (of Cities) or the like.
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