sentences:  Some buildings have both marriage stones and datestones, such as 'The Hill' at Dunlop, which has a date stone on the 'mansion house' and even the gateposts are dated.The stones were placed where they would be easily and frequently seen by visitors, usually on the lintel above the front door of a house, above a fireplace or in a prominent position facing the entrance or in the gardens, such as above a doorway in wall.Many are no longer visible having been covered over in some way such as when older buildings have been extended, porches built, etc.