Bartra in 1837 from the Lewis' Survey

BARTRA , or BARTRACH, an island, in the parish of KILLALA, barony of TYRAWLEY, county of MAYO, and province of CONNAUGHT, 2 miles (S.E.) from Killala; the population is returned with the parish. It is situated at the mouth of the river Moy, forming part of the coast of the harbour of Killala, and is the residence of Captain Kirkwood. At the south-east end is the bar of Moy, on which there is only three feet of water.