Sir Ronald Ross, 2nd Baronet

Lieutenant-Colonel Sir Ronald Deane Ross, 2nd Baronet MC (born 13 July 1888 - died 31 January 1968) was an Ulster Unionist Northern Irish Member of Parliament (MP).

Military career
Ross was commissioned into the North Irish Horse on 21 June 1907 as a Second Lieutenant, and was promoted to Lieutenant on 23 April 1912.

He served in the First World War with the North Irish Horse. He was promoted to Captain on 12 December 1914, and later to Major. He was awarded the Military Cross. He resigned his commission in 1938, but rejoined his regiment in 1939 and served in the Second World War, reaching the rank of Lieutenant-Colonel. He transferred to the Royal Inniskilling Fusiliers in 1947 and retired in 1950.

Political career
He was first elected unopposed in 1929 in a byelection for the Londonderry constituency. He was re-elected unopposed for the same constituency in 1931 and 1935. He was returned again in 1945 and again in 1950 with majorities of 50.75% and 62.59% respectively, before resigning his seat in 1951, triggering a by-election which was won by the Ulster Unionist Party.

Personal life
His wife was Lady Dorothy Evelyn Francis Ross. It is not clear if they had any children (see NPG).

He died in 1968, aged 79.