The story
* As a French and Walloon surname, variant of Maurin and More. Compare Moran, Morang, Morein, Morong, Morrin, Morrow. * As an Italian surname, variant of Morino, pet form of the personal name Moro. * As a Spanish surname, from moro (“Moor”), see Moro. * As a Scottish surname, variant of Morrin.
Etymology from Wiktionary, CC BY-SA 4.0.