There is a gap in Lurgan Frist Presbyterian records at about 1775. Maybe you can find continuity through something else.
-No location, no wife
William Fitz simmons had dau Elizabeth Dec 27, 1747(Bapt) , Patrick FichClimen? had son Joseph bapt Mar 19, 1748,
No location, no wife, but Moyraverty appears later for some folks
Samuel had dau Mary 1762, Sarah born December, 1764, W illiam born June 16, 1767, Richard b Aug 15, 1872.
Richard appears to be married to Mary McCann and had William b Feb 18, 1829 no location
William m. Elizabeth Hobbs and had Benjamin Apr 19, 1835 in Tegnavin. They don't seem to fit with the family.
Samuel m. Jane Blow and had dau Mary Oct 19, 1828 no location
William CRAIF m. M. A. Fitzsimmons and had son Richard March 1, 1838 in Moyraverty
Robert m. Mary Irwin and had Catherine Nov 9, 1838 in Moyraverty, Anna April 7, 1841 in Moyraverty, James 4-17-1849 in Moyraverty weaver,
Nathaniel m. Mary Craig and had William 1-18-1852 in Moyraverty weaver, Joseph 5-21-1854 weaver, Nathaniel 6, 1859 Moyraverty FARMER
Joshua m. Mary Craig had son William 5/9/1860 Moyraverty Farmer
Benjamin m. Alice Campbell and has son William in Legacorry laborer 1859
David GIBSON m. Catherine Fitzsimmons and had Margareta May 22, 1861 and Anna April 16, 1863 both in Moyraverty and baptized together
Wards were a large Corcreany family that used Lurgan First
Samuel m. Janey Blow and had Mary born Oct 19, 1828 no location