Mastin Family History
Mastin Name Meaning
English (Lincolnshire): variant of Maston itself a variant of Marston . Compare Masten . French (mainly northern) Flemish and Walloon: occupational name for a household servant from Old French mastin ‘watchdog manservant’ (from Latin mansuetudinus ‘domestic’). The Old French word had the further sense of a bad-tempered dog and was used as an adjective in the sense of ‘bad cruel’.
Source: Dictionary of American Family Names 2nd edition, 2022