You probably can eliminate Robert Callow chr. 1807, Maughold from your list. He is likely the Robert Callow buried Jan. 15, 1837, Maughold. He was the second youngest of nine children of William Callow of Cardle Veg, Maughold (1765-1833) and Catherine Kelly. William Callow, his father may have mentioned Robert in his will (A 1833, Maughold).