John Kinvig who md Ann Watterson was the son of John Kinvig & Elizabeth Croaghan. He was aged 6 in the 1851 census and he was one of 13 children that I have found - no Margarets. In 1851 the family lived at Balladoole & father John had 5 acres so must have been a tenant farmer. John senior was the son of Richard Kinvig & Eleanor Coole & they had a child called Margaret. Howver, there were a lot of Kinvigs in the Arbory area called John & Margaret but this info above is factual of John md to Ann.