[4] The name is said to derive from Keraldus, dempster to the Earls of Angus at the start of the 13th century.

[3] It was later owned successively by Sir John Stewart of Grantully, by the Skenes, by a farmer, and in 1871 bought by John Adamson, a mill owner from Blairgowrie and son of a whaling ship owner from Dundee.

[3] These chimney-pieces are thought to be derived in form from designs in Jacques Androuet du Cerceau's Second livre (1561).

[7] Campbell also argues that Careston incorporates two of du Cerceau's house designs in the formation of its elevation and plan.

[3] A report in late 2021 stated that the 15,700sq ft castle's principal accommodation consisted of "four fine reception rooms, a library, six main bedrooms and five bathrooms — laid out over the first and second floors".