Birker with Austhwaite Township, 1848
BIRKER, with Austhwaite, a township, in the parish of Millom, union of Bootle, Allerdale ward above Derwent, W. division of Cumberland, 7½ miles (E. by N.) from Ravenglass; containing 105 inhabitants. It is within the limits of the chapelry of Eskdale, in the adjoining parish of St. Bees, and the inhabitants marry and bury there. The neighbourhood abounds with picturesque scenery, heightened and diversified by the lake Devock-water, and the water-falls of Birker Force and Stanley Gill.
Extract from: A Topographical Dictionary of England comprising the several counties, cities, boroughs, corporate and market towns, parishes, and townships..... 7th Edition, by Samuel Lewis, London, 1848.