English Place-name Society

Survey of English Place-Names

A county-by-county guide to the linguistic origins of England’s place-names – a project of the English Place-Name Society, founded 1923.

Lairthwaite

Early-attested site in the Parish of Keswick

Etymology

Probably a compound of ON  leirr, 'mud,' and vað, 'ford,' to which mýrr , 'marsh,' has been added.