A UK version, showing Norse names (which famously show a very clear divide): http://www.britishmuseum.org/whats_on/past_exhibitions/2014/vikings/old_norse_origi

A UK version, showing Norse names (which famously show a very clear divide): http://www.britishmuseum.org/whats_on/past_exhibitions/2014/vikings/old_norse_origins.aspx http://www.britishmuseum.org/whats_on/past_exhibitions/2014/... And for just England, http://kepn.nottingham.ac.uk/ http://kepn.nottingham.ac.uk/, dividing by source language. While this doesn't split by toponymy, if you click on the towns, you'll find the toponyms explained.