Family name origins & meanings
- Eastern German (under Slavic influence) : perhaps a habitational name from such places as Granow, Grana, and Gran.
- North German (Grä(h)n) : a North German variant of Grün (see Gruen).
- Swedish : ornamental spelling of gran ‘spruce’. This may be an ornamental name, a topographic name, or possibly a habitational name from a place called Gran.