- What was the relationship between the Denniston and McCauley families in Drumdutton? [William Denniston and ? McCauley might have married two Stewart sisters: Molly & ?]
- Who was Elizabeth Denniston who was born in Drimdutton and married Bernard McCauley?
- What relationship, if any, was there between Patrick McGettigan, born in Kilmacrennan, who was parish priest in Mevagh and later Bishop of Raphoe, and Daniel McGettigan, born in Drimlackagh, who was also Bishop of Raphoe and then became Archbishop of Armagh? [one source explicity says there was none; others are ambiguous]
- Who was the John Denniston in Pliladelphia referred to by a George Denniston in his evidence in the Wray court case?
- Who were the John Denniston and his wife Alicia who were defendants in the decree obtained by Elizabeth Nesbitt on 20/06/1826?
- Who were the two Dennisons from "Mamaugh, Carygort" among the Military Pensioners in the late 1700s/early 1800s?
- Who were the Dennistons living in Coole Upper in 1901 and 1911 Censuses?
- After whom were the Denniston Rocks in Mulroy Bay (opposite Devlinmore, shown on navigation charts) named?
Family history of the Donegal Dennistons