The Dempseys were from Drumeil/Drumale area but the problem is that there were so many of them and quite a few Patricks amongst them. I’ve been collecting Dempseys for over 30 years and still haven’t sorted them all out. I have lots more on these & other Dempsey families in Aghadowey/Agivey-
These are 2 of the Dempsey holdings at Drumeil showing changes in the tenants (Worshipful Company of Ironmongers):
1859 Patrick “Morty” Dempsey. 1863 Patrick “Murt” Dempsey (5.2.38) wife, 7 ch. 1886 Henry Dempsey (5.2.38).
1859 Patrick ”John” Dempsey. 1863 Patrick “Jack” Dempsey (8.1.1) wife, 3 ch., 1 child. 1886 William Dempsey.
Hugh Dempsey (c1843-Dec.1913) of Drumeil, son of Patrick, married 20 Feb.1873 to Ellen McDonald & had family.
https://civilrecords.irishgenealogy.ie/churchrecords/images/marriage_returns/marriages_1873/11259/8129484.pdfHis brother?- Henry Dempsey (c1836-aft.1901), Drumeil, son of Patrick, m. Mary (c1838-aft.1901).
Annie Dempsey (c1856-aft.1901), daughter of Patrick, m.(11 Feb.1880 Aghadowey) James Dempsey (c1859-aft.1901), son of James Dempsey.
https://civilrecords.irishgenealogy.ie/churchrecords/images/marriage_returns/marriages_1880/11024/8031100.pdfJane Dempsey, daughter of Patrick, m.(1 Apr.1866 Aghadowey) Bernard Kane, labourer, Drumeil.
https://civilrecords.irishgenealogy.ie/churchrecords/images/marriage_returns/marriages_1866/11532/8241321.pdfPatrick Dempsey, farmer, son of Patrick, m.(25 Dec.1867 Aghadowey) Elizabeth Dunlop.
https://civilrecords.irishgenealogy.ie/churchrecords/images/marriage_returns/marriages_1867/11509/8232705.pdfThe records for Aghadowey came under Killowen (St. John's) so things can be a bit jumbled. The earlier chapel (also known as Bovagh) was in the townland of Mullahinch (now in ruins) and here's the present one-
https://www.flickr.com/photos/54824197@N03/6636732123https://billiongraves.com/cemetery/St-Mary-Roman-Catholic-Graveyard-Aghadowey/300173If you click on 'report to moderator' someone will move this thread to the Derry/Londonderry board where it belongs.