To add to the files, there was a William Robert Adair bc1738, son of Thomas Benjamin Adair of Loughanmore (b.15 Jan 1705).
William Robert Adair bc1738 m. Rose Anne Thompson of Muckmore / Muckamore Abbey, Antrim and they had children : Charles Adair John Adair William Adair Rose Anne Adair m. Henry Hunt of Ahaseragh Thomas Benjamin Adair m. Louisa Tennant (Thomas may have been in Baltimore, USA as Louisa is listed as daughter of Tennant of Baltimore, USA, they had issue, William Robert Adair, Henry Adair & Louisa Adair who m. Capt..... a surgeon of the 13th Regt.) Elizabeth Adair, Margaret Adair Ellen Marie Adair.
May be connected with Thompson of Culpepper, VA ? Are any of these names familiar with Adair families of / near Culpepper, VA ?