Masso Family History
Masso Surname Meaning
Italian: from a shortened form of the personal names Tomasso or Dalmasso (see Dalmas); alternatively a variant of Mazzio.
Catalan (Massó): probably from a variant of maçó ‘pickaxe’ a nickname for someone who worked as stonecutter from a diminutive of maça ‘mace’.
Source: Dictionary of American Family Names 2nd edition, 2022