indicate the level to which a name has been verified.
Meaning & History
Habitational name from the district of Lonsdale (straddling Lancashire Yorkshire and Westmorland) and also from Lonsdale in Great Ayton (North Yorkshire). The district takes its name from the river Lune (of uncertain origin) annd Old English dæl "valley". The North Yorkshire placename probably derives from the late Old English personal name Lothen (genitive Lothenes) from Old Norse Loðinn annd Old English dæl "valley".