The Duke of Atholl was reported by Hannah Bullock in 1816 as leasing the Calf to a man called Gurley [Gouley/Gourlay in other accounts - he fell on hard times in 1820];
and in 1837
Gurley Mr. Henry, Abbeyville under Gentry in Lezayre

only 2 refs to Gurley I have
one other to a Lieut Gourlay in RoH for 1917