Family name origins & meanings
- Norwegian (Sandø) : older form of Sandøy, a habitational name from any of about fifteen farmsteads so named, from Old Norse Sandey, a compound of sand ‘sand’ + ey ‘island’.
- Swedish (Sandö) : ornamental adoption of 1.
- Japanese : it is unclear whether instances of this name in America are Sando, usually written with characters meaning ‘three doors’, or Sandō, written with various characters, possible meanings being ‘three wisteria’ or ‘east of the mountains’. None of these are common in Japan.