Very very rare it is typical of the Cuneo area. additions provided by Stefano Ferrazzi Rare, a native of Cuneo, Peyrachia is almost certainly a surname of foreign origin: it should be treated, that is, of the Italianization of the French surname Peyrache, present mostly in the Loire and in the neighboring departments. As for its meaning, it is a surname of topographical origin: the ancient French peyrache means, in fact, stony ground, stony ground, thus indicating the conformation of the territory from which the progenitor came.
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