Thornton BMO S NO344236 1 351 60m NEF
Thorntoun 1729 GD137/669 [one of mains lands of ‘Birkhill alias Corbie’]
Thornton 1855 OS 6 inch 1st edn
Sc thorn + Sc toun
‘Farm at a thorn tree (or trees); farm surrounded by a thorn hedge’.
This place-name appeared in printed volume 4