Dunnerdale and Seathwaite Township, 1848
DUNNERDALE and SEATHWAITE, a township, in the parish of Kirkby-Ireleth, hundred of Lonsdale north of the Sands, N. division of the county of Lancaster, 8½ miles (W. by S.) from Hawkeshead; containing 354 inhabitants, of whom 152 are in Dunnerdale. It comprises a romantic district, extending along the east side of the Duddon, from 2 to 10 miles north from Broughton, and terminating in lofty mountains. - See Seathwaite.
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.