Ketsby is a hamlet in the civil parish

Civil parish

In England, a civil parish is a territorial designation and, where they are found, the lowest tier of local government below districts and counties...

 of South Ormsby

South Ormsby

South Ormsby, sometimes called South Ormesby, is a village in Lincolnshire, England. With the nearby hamlet of Ketsby, it forms the civil parish of South Ormesby with Ketsby...

 about 5 miles (8 km) west of the town of Alford

Alford, Lincolnshire

- Notable residents :* Captain John Smith who lived in nearby Willoughby* Anne Hutchinson, pioneer settler and religious reformer in the United States* Thomas Paine, who was an excise officer in the town....

, Lincolnshire

Lincolnshire

Lincolnshire is a county in the east of England. It borders Norfolk to the south east, Cambridgeshire to the south, Rutland to the south west, Leicestershire and Nottinghamshire to the west, South Yorkshire to the north west, and the East Riding of Yorkshire to the north. It also borders...

, England.

Ketsby was mentioned in Domesday Book

Domesday Book

Domesday Book , now held at The National Archives, Kew, Richmond upon Thames in South West London, is the record of the great survey of much of England and parts of Wales completed in 1086...

 of 1086, when it was listed as having 18 households, 60 acres of meadow and a mill. An early medieval cresset lamp with a maltese cross

Maltese cross

The Maltese cross, also known as the Amalfi cross, is identified as the symbol of an order of Christian warriors known as the Knights Hospitaller or Knights of Malta and through them came to be identified with the Mediterranean island of Malta and is one of the National symbols of Malta...

 carved on the base was found at Ketsby and is now in Lincoln City and County Museum.

Ketsby water mill and mill house are built in yellow brick, and both date from 1864, and are grade II listed buildings. The mill is no longer in operation.