If you seacrh the PRONI e-catalogue for Jackson Wray you will find 155 leases and other papers relating to that landlord. He resided at Bentfield, Co Antrim. Here's an example (D915/2/34).
Rental of the Belleisle Estate, the property of William Wallace Legge; the Dunseverick Estate, the property of Jackson Wray; the Ballylough Estate, the property of William Trail; the Henry Estate and the Gracehill Estate, the property of the representatives of the late General Stuart.
The records themselves are not on-line and so a personal visit to PRONI is necessary to view them.