Arnold: Bailey says this name in Saxon, arnhold, signifies "faithful to his honor"; Lower says the surname Arnulfe is the same as Arnold, in medieval records sometimes Latinized Ernulphus, which might be translated both "help in war" and "helping lord," all doubtless from ern-walt, "powerful lord." French, Arnaud; German, Arnold; Italian, Arnaldo; Latin, Arnoldus or Arnaldus.