The surname Herndon was first found in Bedfordshire (Old English: Bedanfordscir), located in Southeast-central England, formerly part of the Anglo-Saxon kingdom of Mercia, where they held a family seat from ancient times. Harrowden is a one-street hamlet in Bedfordshire. Great Harrowden and Little Harrowden are parishes and villages in Northamptonshire that date back to the Domesday Book of 1086 where collectively they were known as Hargedone. The place name literally means "hill of the heathen shrines or temples," from the Old English words "hearg" + "dun."