Another who may be a descendant of Rev. Archibald Adair, Dean of Raphoe, may have been William Adair who was of Castleraghan's farm, Killybegs, c.1720-1730s. "I am told that after Mr. Conyngham's lease (from Mr. Murray) expired he took 2 Ballyboes from the means of Castleraghan which Mr. William Conyngham now sets as his own land to Captain Andrew Conyngham at 16 pounds per annum.They were set about 9 years ago.William Adair, one of the present tenants (1730), says they really belong to Mr. Murray, but was given off by Thomas Knox when he was agent for said Mr. Murray and Mr. Conyngham." Contained in report "The Murray of Broughton Estate 1730 of Thomas Addi in PRONI D.2860/25/3."
A wife of Rev. Archibald Adair, Dean of Raphoe, was Jeanetta Houston / Huston who d.1618.Her monument in St. Eunan's Church of Ireland Cathedral is mentioned at ;