The Fairfield Estate was added on to the vast Dartrey Estate, centered on Dawson Grove (remodeled and greatly enlarged in the 1840s as Dartrey Castle). Thus, the village of Rockcorry also changed ownership at that time, now being owned by the Dawson family.
The Fairfield Estate was added to the large Dartrey Estate, which included Dawson Grove (remodeled and significantly enlarged in the 1840s as Dartrey Castle). This resulted in a change in ownership for the village of Rockcorry, now belonging to the Dawson family.