McCorkell changed career and moved into investment management, joining Bell Lawrie White, which was bought by Brewin Dolphin in 1993.
[10] Whilst working in Northern Ireland, McCorkell also served in the Territorial Army in North Irish Horse in the 1970s.
[13] McCorkell married Susan Mary, daughter of Desmond Goodbody, a prominent family of Clara County Offaly.
[15] His mother Lady McCorkell OBE founded the Derry Red Cross during The Troubles.
[2] Ronald Colville, 2nd Baron Clydesmuir KT CB MBE TD was his uncle and also served as a Lord Lieutenant (of Lanarkshire).
[citation needed] McCorkell is a descendant of The Earls and Countesses of Longford and King Edward III.