Delmer \d(e)-lmer, del-mer\ as a boy's name is a variant of Delmar (Spanish, Old French), and the meaning of Delmer is "of the sea".
The baby name Delmer sounds like Delmor and Delmore. Other similar baby names are Aylmer, Eylmer, Elmer, Allmer, Ailmer, Demar, Delmon, Delman, Ellmer, Fylmer, Filmer, Gilmer, Palmer, Telfer, Ulmer, Wilmer and Wylmer.