Mary Grice married Robert Mayes on 29 May 1720, in Cratfield, Suffolk, England. They were the parents of at least 3 sons and 5 daughters.
English (Midlands): from Middle English grice, grise ‘pig’ (Old Norse gríss), probably a nickname or a metonymic occupational name for a swineherd.
English: nickname for a gray-haired man, from Middle English grice, gris ‘gray’ (Old French gris, apparently of ancient Germanic origin, and probably a distant cognate of Gray 1).
Possibly also an Americanized form of German Greis .