Dumbarton Family History
Dumbarton Surname Meaning
From Dumbarton (Dunbartons); possibly sometimes confused with the distinct and now extinct Dumbretton from the place of that name near Kirtlebridge (Dumfriess) represented by Robertus Dunbredan between 1158 and 1164 in
See Dumbleton influenced by the better-known Scottish name.
Source: The Oxford Dictionary of Family Names in Britain and Ireland, 2016
