I have come across the names in bold within a few miles of each other in Cheshire:

fathon, feithyon, fethion, fethyan, fethyon, fhithyan, fithan, fithean, fithein, fitheion, fithen, fitheon, fithian, fithians, fithien, fithin, fithins, fithiohn, fithion, fithon, fithyan, fithyon, fythen, fytheone, fythian, phathain, phathian, pheathean, pheathian, pheaton, pheteon, phethean, phethein, phethen, phetheon, phethian, phethion, phithan, phithean, phitheon, phithian, phithion, phithyan, phitian, phitin, phition, phittheon, phitthian, phitthion, phothean, phythean, phythen, phytheon, phythian, phythians, phythion, phythions, phythyan, phythyen, phytion, phyton, pithyon, pytheone

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