In the English origin, Raines means "Raines \ra(i)-nes\ as a boy's name is of English origin. Possibly "lord" or related to Reginald, Reynold, or Rainer. Actor Claud Rains.
Raines has 5 variant forms: Rain, Raine, Rains, Rayne and Raynes.
Baby names that sound like Raines are Rinus and Rance. "