Who is Lord Douglas?

[William Douglas]

When the title 'Lord' Douglas' appears in an article in the Douglas Archives, for example in an extract from an old document, it may refer to any one of the following titles:

Marquess of Douglas, created 1633 in the Peerage of Scotland, now a subsidiary title of the Duke of Hamilton
Earl of Douglas, created 1356/7 in the Peerage of Scotland, forfeit in 1455
Lord Douglas, created 1475/6 in the Peerage of Scotland, a subsidiary title held by Archibald Douglas, 5th Earl of Angus
Lord Douglas, of Bonkill, Prestoun & Robertoun, created 1703 in the Peerage of Scotland as a subsidiary title of the Duke of Douglas
Lord Douglas of Ettrick, created 1675 in the Peerage of Scotland as a subsidiary title of the Earl of Dumbarton
Lord Douglas of Hawick and Tibberis, created 1628 in the Peerage of Scotland, now a subsidiary title of the Marquess of Queensberry
Lord Douglas of Kinmont, Midlebie and Dornock, created 1684 in the Peerage of Scotland, now a subsidiary title of the Duke of Buccleuch
Lord Douglas of Lockerbie, Dalveen and Thornhill, created 1706 in the Peerage of Scotland as a subsidiary for the Earl of Solway, subsequently 2nd Duke of Dover
Lord Douglas of Neidpath, Lyne and Munard, created 1697 in the Peerage of Scotland as a subsidiary title for the Earl of March
Baron Douglas, of Ambresbury, Co. Wilts, created 1786 in the Peerage of Great Britain, a subsidiary title held by William Douglas, 4th Duke of Queensberry
Baron Douglas, of Douglas Co. Lanark, created 1790 in the Peerage of Great Britain
Baron Douglas, of Douglas, created 1875 in the Peerage of the United Kingdom for the 11th Earl of Home
Baron Douglas of Baads, created 1911 in the Peerage of Great Britain as a subsidiary title for the Viscount Chilston
Baron Douglas of Barloch, created 1950 in the Peerage of the United Kingdom
Baron Douglas of Kirtleside, created 1948
Baron Douglas of Lochleven, created 1791 for George Douglas, 16th Earl of Morton

The younger sons of the Dukes and Marquises of Queensberry (and the Marquises of Douglas' sons until 1761) have the courtesy title of Lord ‘'Firstname’' Douglas.