Early life and education
Johnstone was born in Nassau, Bahamas on 19 September 1927, the eldest son of the late Bruce Eric Johnstone and Wilhelmina Helena Aline Johnstone née Kemp.
In August 1950, Johnstone joined the firm of Higgs & Johnson and was admitted to partnership in 1952. He became Senior Partner in 1968 and served in that capacity until his retirement in December 1998.
He took an early interest in politics after his return from his studies abroad. He was elected to the House of Assembly for the Eastern District of New Providence in November 1962 and served that constituency until January 1967 when he was returned as the Member for the Montagu Constituency where he served until September 1972.
He served in the United Bahamian Party Cabinet as Minister of Road Traffic and Records from January 1964 to January 1967. In February 1970, he was appointed Leader of the Opposition and served in that office until July 1971.
Johnstone was appointed a Companion of the Most Distinguished Order of St. Michael and St. George (CMG) by Her Majesty Queen Elizabeth II on 31 December 1993 in the Queen's New Years Honours for 1994.
Johnstone's hobbies included boating, fishing and shooting.
He served as an Elder of St. Andrew’s Presbyterian Kirk from April 1963 until his death. In November 2010. At the celebration of the Kirk's 200th Anniversary, he received an achievement award for outstanding service to the Kirk and its mission.
Sir Geoffrey died on 4 August 2017.
- Scavella, Nico. "Former Politician and Lawyer Sir Geoffrey Johnstone Dies Age 89". Tribune Newspaper, Nassau, Bahamas. Retrieved 5 September 2017.
- "Queen's New Years Honours 1994". The London Gazette (53529): Page 41. 30 December 1993.
- "Queen's New Years Honours 2002". The London Gazette (56432): Page 31. 30 December 2001.