Tredinnick is a Cornish surname. It derives from one of the places called Tredinnick; Tredinnick is formed from the elements "tre-" (homestead) and either "dynek" (fortified), "eythynek" (overgrown with gorse) or "redynek" (overgrown with bracken).[1]
Notable people with the surname include:
Places in Cornwall called Tredinnick or Tredinneck:[2] Tredinneck (Madron); Tredinnick (Duloe, Landrake, Lanhydrock, Luxulyan, Morval, Newlyn East, Probus, St Issey, St Keverne, St Mabyn and St Neot)