James, Joseph & Susan Clements farming in Fernandrum in the tithe applotment records in 1825:
https://www.irishgenealogyhub.com/tyrone/tithe-applotment-books/parish-of-clogher.php3 separate farms. Susan is likely to be a widow.
Probate abstracts:
Probate of the Will of the late James Clements, Farnaghandrum, Co. Tyrone, Farmer, who died 7 March 1905, granted at Armagh 2 April 1919 to James Chambers, Medical Doctor. Effects: £446 5s.
The Will of John Clements late of Fernaghandrum County Tyrone Farmer who died 26 July 1885 at same place was proved at Armagh by Robert Orr Clements of Greenmount Gentleman and John Irwin of Killadroy Farmer both in said County the Executors.
Above 2 wills are on-line on the PRONI wills site.
Clements, Mary of Fernaghandrum Omagh county Tyrone widow died 26 August 1939 Administration Londonderry 15 April to Mary Marshall widow. Effects £52 3s.
Clements, Robert of Fernaghandrum Gortaclare Omagh county Tyrone retired farmer died 25 June 1968 at Tyrone County Hospital Omagh county Tyrone Administration Londonderry 1 August to Rebecca Clements spinster. Effects £4494 7s.
Administration of the Estate of Thomas Clements late of Fernaghandrum County Tyrone Farmer who died 31 December 1921 granted at Londonderry to John Caldwell Clements Salesman Effects £595
Above 3 probate files should be in PRONI in paper format.
Newry Telegraph of 3rd Jan 1843 reported the marriage on 31st ult at Clogher Cathedral of William Clements, 3rd son of Joseph Clements, Fernaghandrum House, to Catherine, eldest daughter of W M Moffit, Legacurry, near Omagh.
The landlord for Fernandrum was the Rev F. Gervais of Armagh.
The family appears to have been Presbyterian judging by the 1901 census anyway. If they attended Carntall/Clogher Presbyterian church then it has baptism records starting 1819 and marriages 1829 (copies of which are in PRONI).
