1.J. MacCullagh, Esq., died 1857, aged 80.Had 12 children.
2. Professor James MacCullagh (1809-1847); famed mathematician.
2.John MacCullage (1811-1892), Resident Magistrate and J.P.; died Newry, Co. Down; m. Wilhelmina O'Brien from Co. Leitrim. Had 4 sons and 5 daus, some of whom were,
3.Sir James Acheson MacCullagh, M.D.; was his first name actually Rodgers?;Mayor of Derry; m. Ida McClelland, dau of M. McClelland, Esq., J.P, or Bayview Terrace, Londonderry; living with them in 1901 was Mary Caldwell, aged 80, born Derry and listed as being an aunt.
3.Frederick MacCullagh; nothing known
3.Emily, 2nd dau; m. 1884 James Henry Mussen Campbell (1851-1931), Solicitor General for Ireland; better known as being the 1st Baron Glenavy; son of William Mussen Campbell and Delia Poole Graham, dau of Henry Francis Graham of Newtown Abbey, Co. Kildare [There is also a record of a William Mussen Campbell, son of James Campbell, m. in 1856 to Sarah Armstrong, dau of Robert Armstrong; 2nd marriage?They had with other issue,
4.Hon. Charles Gordon Campbell
4.Dau Campbell m. Major C. D. Knight
3.Florence Mary MacCullagh
Ellen MacCullagh died 1881; of Strabane, Co. Tyrone;probate granted to John MacCullagh, R.M.
Lydia Matilda MacCullagh died in 1925; probate granted to Matthew McClelland.
Wilhelmina MacCullagh died in 1929 at Carlton House, Seaview Terrace, Warrenpoint, Co. Down; probate granted to Hugh Campbell, company director.