MacGreusich
McGreusich, Grosick, Groassick, Grocey, Crassie, Gross, Grosse, Gressiche, Graysich, Graisich, MacGeorge, MacGrassel, MacGrasiche, McGeorge, McGrassel, McGrasiche
The Gaelic form of the name Greusaich, which means “cordiner” or “shoemaker”. Auchmar says that the MacGrewsichs were descended from a Buchanan to emigrated to Argylshire with the Laird of Ardkinglass’ Lady sometime after 1640.
Adams says that they are descended from one of the first MacAndeoirs (son of the Dewar).