The Earl holds the subsidiary titles of Viscount Ruthven of Canberra (1945), Baron Ruthven of Gowrie (1919) and Baron Gowrie of Canberra (1934).
Earls of Gowrie (1945) Alexander Hore-Ruthven, 1st Earl of Gowrie (1872-1955) Alexander Patrick Greysteil Ruthven, 2nd Earl of Gowrie (b.1939)