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The present earl holds the subsidiary titles of Viscount Halifax (1866) and Baron Irwin (1925), both in the Peerage of the United Kingdom, and is a baronet of Great Britain (1784).
Viscounts (1668) and Earls of Halifax, First Creation (1679) and Marquesses of Halifax (1682)
Barons (1700 and Earls of Halifax, Second Creation (1714)
Earls of Halifax, Third Creation (1715)
Viscounts of Halifax, Second Creation (1866)
Earls of Halifax, Fourth Creation (1944)