His lands were at Rathernis in Strathearn in Ardoch parish in Perthshire, also known as "Rottearns", with fishing on the Allan Water.
Graham approached the burgh council of Edinburgh in July 1579 seeking a loan of £5000 Scots for the King's expenses.
[1] There is a record of a messenger sent from Stirling Castle in August 1579 to Mungo Graham and his nephew, John Murray, the younger laird of Tullibardine, who was another courtier and Master of Household living in Perthshire.
[2] In 1581 James VI sent his well-beloved servants including Mungo Graham, two other Master Households, and the master of the wine cellar or sommelier Jerome Bowie, to buy wine in Edinburgh, St Andrews, and Dundee.
[4] Spiced hippocras wine had been served at Holyroodhouse in 1503 to welcome Margaret Tudor, the bride of James IV.