What is "cathiron"

Cathiron is a small settlement in Warwickshire, England. Population details can be found under Harborough Magna. It is by the Oxford Canal and is northwest of the town of Rugby. The West Coast Main Line railway line passes through the settlement, but there is no station. The place has a good reputation with Railfans because of the amount of diverse traction passing through. Brinklow Marina is situated at the western end of the settlement, on a disused arm of the canal.