Alosa has a stock in Naples and one in Crotone, Alosi is Sicilian, especially from Messina, Barcellona Pozzo di Gotto, Milazzo, Messina and Mazzarrà Sant'Andrea and Palermo, as a possible origin we can propose a derivation from a nickname based on name of the alosa fish, a particular fish of very voracious sea, perhaps indicating in the progenitor a fisherman, but it cannot be excluded that it may be a dialectically altered form of the female name Aloisia (Luigia), a name moreover in ancient times very common throughout the south , or the Spanish name Alonsa.
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