Historical Mapping

Originally published 2 Nov 2014

Old maps can be very useful for family historians, helping to locate where ancestors lived. Ordnance Survey maps are probably the most familiar. Various editions/series have been published:

Sources for historic Ordnance Survey maps

ScaleOnline
one inch (to one mile)1:63360National Library of Scotland (RN, NPE, 7th), Ancestry (RN), Vision of Britain (1st, NPE) Alan Godfrey maps Cassini Maps
2½ inch (to one mile)1:25000National Library of Scotland
6 inch (to one mile)1:10560British History Online, National Library of Scotland
25 inches (to one mile)1:2500British History Online, National Library of ScotlandAlan Godfrey maps

Maps of parish boundaries and civil registration districts can also be useful. Some sources of boundary maps are: