DERNISH, or DERRINISH, an island, in the parish
of AHAMPLISH, barony of LOWER-CARBERY, county
of SLIGO, and province of CONNAUGHT, 10 miles (N.
N. E.) from Sligo: the population is returned with the
parish. This island is situated near the entrance of
Milk-haven, on the north-west coast, and contains about
76 statute acres of land, the property of Lord Palmerston.
On its south-west side is safe anchorage in
all weather in two fathoms. About ½ a mile north of
it is Carrignaspanach rock, which lies off the entrance
of the haven, and the Tyrconnell rock is about ¼ of a
mile from the shore Milkhaven is situated about three
leagues east of the point of Ballyconnell; the entrance is
difficult, and only adapted for vessels drawing from 6
to 8 feet of water.