Save Type Surname (from given name & from location) Usage English, German (Americanized), Dutch (Americanized) Other Forms FormsMeffert, Mefferd, Mifford Meaning & History Possibly an Americanized form of Meffert, derived from a Germanic given name composed of maht "strength, might" and fridu "peace" (see Metfried, Mathfrid). In some cases, it might instead be a variant of the habitational surname Medford.