Ордерик Виталий
The Domesday Book of 1086 records the place-name as "Cerlentone". The chronicler Orderic Vitalis recorded that in 1081 it was spelt "Cherlentona" or "Charlentone". In about 1190 a charter of Thame Abbey recorded it as "Cherlenton" and a charter of Sandford Preceptory recorded it as "Cherleton".