Flaiani, very rare, is typical of the area between Piceno and Teramo, of Ascoli Piceno and Folignano in particular, Flajani is almost unique, it should be an archaic form of the previous one, Flaiano, very very rare, is from L'Aquila, it should be an altered form of the Latin cognomen Flavianus, or even derive from landholdings of the Gens Flavia, just as an example we recall that the town of Fiano Romano was formerly called Fundus Flaianus, precisely as a property of the Gens Flavia, or since name of freedmen always of that Gens.
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