Murthwaite Family History
Murthwaite Name Meaning
from Moorthwaite in Cumwhitton Moorthwaite in Woodside (both Cumb) Murthwaite in Longsleddale or Murthwaite in Ravenstonedale (both Westm). The place-names derive from Old Scandinavian mór ‘moor’ + þveit ‘clearing meadow paddock’.
Source: The Oxford Dictionary of Family Names in Britain and Ireland, 2016