Looked up Cookstown in c.1836 book. Town in parish of Derryloran, bar. of Dungannon, co.Tyrone, prov. Ulster 20 miles e.n.e. from Omagh. Derives its name from Allan Cook who had a lease for years under the see of Armagh upon whose land the old town was built, about the year 1609. Not far distant are Loughry the residence of J. Lindesay (think his rel.may have m. into Adair lineage).Loughry was granted in 1604 by Jas.I to Sir Robert Lyndesay, his chief harbinger and has ever since been the res. of the snr.branch of that family which is among the claimants of the earldom of Craufurd (Crauford/Crawford) and Lyndesay (Lindsay). The other seats in the vicinity are "Greenvale" of T. Adair. Someone else had posted a message about a "Cook".