The title of Marquess of Bute was created in the Peerage of Great Britain in 1796 for the 4th Earl of Bute (in the Peerage of Scotland).
The Marquess holds the subsidiary titles of Earl of Dumfries (Peerage of Scotland, 1633), Earl of Bute (Peerage of Scotland, 1703), Earl of Windsor (Peerage of Great Britain, 1796), Viscount of Air (Peerage of Scotland, 1622), Viscount of Kingarth (Peerage of Scotland, 1703), Viscount Mountjoy in the Isle of Wight (Peerage of Great Britain, 1796), Lord Crichton of Sanquhar (Peerage of Scotland, 1488), Lord Crichton of Cumnock (Peerage of Scotland, 1633), Lord Mount Stuart, Cumbrae and Inchmarnock (Peerage of Scotland, 1703), Baron Mount Stuart of Wortley (Peerage of Great Britain, 1761), and Baron Cardiff (Peerage of Great Britain, 1776), and is a baronet of Nova Scotia.