
English French Walloon Dutch Flemish Hungarian Polish Czech Slovak Slovenian and Croatian: from a personal name composed of the ancient Germanic elements heri hari ‘army’ + man ‘man’. Compare Harman 5. Americanized form of German Hermann a cognate of 1 above. English: perhaps a shortened form of Herniman a topographic name for a ‘dweller (in a) nook or corner of land’ from Middle English herne hirne hurne + man. See also Hearn . English: possibly an occupational name from Middle English hir(e)man herman or hurmon ‘hired servant or retainer’ though medieval examples of the surname have yet to be found. Jewish (Ashkenazic): variant of Hermann .
Source: Dictionary of American Family Names 2nd edition, 2022