Nicolson and Burn: The history and antiquities of the counties of Westmorland and Cumberland. 1777.
"Bolton was variously written in ancient times; as Boelthun, Boeltun, Bovelthun, Botheltun: From all which may be conjectured that it received its name from the owner, Bothel, Bovel, Boel, or the like. Bovel, and Bolt, are names yet in use in Westmorland."
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administrative areas in which Bolton has been placed at times in the past. Select one to see a link to a map of that particular area.
You can see maps centred on OS grid reference NY638233 (Lat/Lon: 54.603565, -2.561893), Bolton which are provided by: