it also looks as tho the two John Callisters with sons called Humphrey are related as NSS May 1786 21 :
dated 26 Nov 1785;John Kelly (Ballasalla Jurby) gives to sister Mary Callister(widow, Douglas and my heir at law) my estate of Ballasalla + that part of Knock Moor in Jurby called Crot-beg + parcel of intack in Andreas called the Meadow in and unto the intack(Turbary) in Jurby called Logh-ne-Geron (these additional parts reserved til after his death and that of sister Jony);witt Patrick Kneale , Daniel Canel x;