Eldon Family History

English:: habitational name from Helmington (Hall) in Saint Andrew Aukland (Durham) from Old English helming (helm ‘helmet’ + -ing denoting association or resemblance to a helmet) + denu ‘valley’ with the loss of initial H- and later the loss of -m-. There is currently no evidence that the surname also derived from Eldon (Durham) though it remains a theoretical possibility and there may be additional unidentified sources.

Habitational name from Upper Eldon in Hampshire from the Old English personal name Ella or perhaps elle ‘elder’ + Old English dūn ‘hill’ or denu ‘valley’. Variant of Elden or Eldin (for which see Elden).