a prison for those convicted at the justice ayre, receiving their fines and composition payments in 1539. In 1540 James circumnavigated Scotland from the Forth and arrived at Dumbarton with Cardinal Beaton, the Earl of Huntly, and the Earl of Arran each leading a force of five hundred men. This expedition was later published by Nicolas de Nicolay Seigneur d'Arfeville, cosmographer to the King of France in 1583, with the first modern map of Scotland's coastline.

Lennox and Mary, Queen of Scots
Matthew, Earl of Lennox had been an ally of the French party in Scotland led by Mary of Guise but committed himself to the pro-English faction. In 1544 munitions and ten thousand French crowns of the sun arrived with Jacques de la Brosse at Dumbarton's harbour and were5 February 1824: George Harris, 1st Baron Harris
 22 May 1829: Thomas Graham, 1st Baron Lynedoch

Lieutenant-Governors

 1756: Charles Hubert Herriot
 ... Edmonstone
 1796: Hay Ferrier
 1799: Samuel Graham
 Ferrier again?
 15 April 1824: John Vincent

Keepers
 1425 Sir John Colquhoun, 10th of Luss
1497 Sir John Striveling (Stirling) of Craigbernard 
1510 William Striveling (Stirling) 1st of Glorat (Son of Sir John Stirling) - Murdered Good Friday 1534)
1534 George Striveling (Stirling) 2nd of Glorat (Son of William Stirling - Killed Battle of Pinkie 1547)
 1644 John Semple
 22 December 1927: Sir George Murray Home Stirling, 9th Baronet of Glorat (10th Great-Grandson of Sir John Stirling above)
 4 July 1949: Alexander Patrick Drummond Telfer-Smollett
 9 May 1955: Sir Angus Edward Malise Bontine Cunninghame Graham
 12 June 1981: Alastair Stevenson Pearson
 10 September