Papers of the Hamilton family, Earls, Marquesses and Dukes of Abercorn containing leases, deeds, accounts, maps, rentals, out letters, etc. relating to estates in Cos. Tyrone, Donegal and Londonderry, ca. 1610-1920. In addition to their Irish land holdings, they owned estates near Edinburgh, Scotland, and in London, England. Originally Scottish by race and Catholic by religion, The Abercorns are a distinctively Irish family. They were the highest...