By 1858 a group of four dwellings are named as Calderbank on the north side of the main road and a building is shown to the west of Calder Mill.
[4] A later OS map shows a telephone call box at the post office with the smithy no longer marked.
[5] The farm of Calderbraehead is recorded in the OS Name book for the period 1858 to 1861 as being occupied by William Wiseman and at the time it was the property of the Duke of Hamilton.
[2] The OS Name Book records in the period 1858 to 1861 that the Corn Mill was occupied by John Barr and was the property of Thomas Allison of Strawfrank in Carstairs.
In 2022 the site of the mill pond remains as a flooded area next to the old access road to the abandoned Calder Bridge.
A date stone with 'Built by Wm Brownlie,' a Strathaven mason, is set in a rectangular panel over the keystone on the southern side.