When William Mastin was born in 1825, in Livingston, Livingston, Columbia, New York, United States, his father, Henry Mastin, was 30 and his mother, Susanna Gallup, was 26. He married Emily Acker before 1848, in New York, United States. They were the parents of at least 6 sons and 4 daughters. He lived in Sparta, Livingston, New York, United States in 1865 and New York, United States in 1870. He died on 1 April 1885, in Conesus, Livingston, New York, United States, at the age of 60.
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’.