Family History and Genealogy Resources by Surname
Van Arnum Surname Origin
(Locality). From Arnheim, a city in Guilderland, Holland.
Source: An Etymological Dictionary of Family and Christian Names With an Essay on their Derivation and Import; Arthur, William, M.A.; New York, NY: Sheldon, Blake, Bleeker & CO., 1857.
Van Arnum Surname Meaning and Family Facts
There is more to Van Arnum family history than the origin of your surname:
A Van Arnum Family History Thought:
Whenever there's a will, you'll see an heir loom.