Mas Family History
Mas Name Meaning
North German and Dutch: from a short form of Thomas. Compare Maas 1 and Mass. Catalan and southern French (Occitan): topographic name for someone who lived in an isolated dwelling in the country, rather than in a village, from Catalan and Occitan mas ‘farmstead’ (Late Latin mansum, mansus).
Source: Dictionary of American Family Names ©2013, Oxford University Press