The 1911 census lists one person (Margret Doyle) living at Corrig Castle?  Her occupation is listed as "Caretaker, Lords of the soul"

The same census lists 7 people as living in 3 dwellings on Corrig Castle Terrace, which is very close to the castle.

The 1901 census lists 7 people lining at the castle with 13 rooms plus a 2-room annex or lodge which is shown on maps at the Corrig Road entrance.