Gelderman Family Crest and Last Name Background
Gelderman is a Dutch surname. Elsdon Smith's dictionary of American family names explains it as “one who came from Gelders, a province in Holland”.
Researching the origin
That makes it a habitational name, first given to someone from that place. Smith also lists Geldermann and Gellerman.
Surname statistics
Heraldry and the Gelderman name
There is no single Gelderman family crest for all bearers; the honest first step is to find out which Gelderman line, if any, bore arms.
Research your Gelderman family history with a full surname report and painted coat of arms.