re: Adair Irish Estate: Evidences of Title" HA12/F1/2/3 - Agreement articles between Archibald, Bishop of Killala and Achonry and Alexander Coningham, Dean of Rapho, concerning marriage between John Coningham and Katherine Adaire, daughter of the Bishop of Killala and Achonry. 15th July 1634.
The Wicklow papers in the National Library of Ireland there are many references to Cunningham at :
MS 38,527/2. Deed between 2 parties. 8 April 1640. 1.Henry Leslie, Bishop of Down and Connor ....and Jane his wife, and Robert Leslie, his son.
2.Rev. Alexander Cunningham, ....Andrew Knox and John Cunningham.
Grants of lands at Taughboyne, Barony of Raphoe, co. Donegal, Ireland, containing parcels of land : Listicall, Gartan, Tiroddy, Tubberboyne, Cross, Kilgort, Cashell, Hughboy, Derriemore, Bredah, (Astrade), Moyveagh. .................... Cunningham descendant may have married Houston and emigrated to America (with Adairs ?).