The surname Blatchford was first found in Dorset and the Isle of Wight, where they held a family seat from ancient times, long before the Norman Conquest in 1066.
The English locational origin of the surname Blatchford is in Sourton, Devonshire.
The placename derives from the Old English pre 7th Century personal name "Blaecca" plus "ford" a ford, shallow place in a river.