Born on 25 May 1953 to William Douglas Corkish and Margaret Elizabeth Corkish (née Cringle), he was educated at Pulrose Infants School, Demesne Road School and Douglas High School for Boys. He later went on to work for the Isle of Man Steam Packet Company from 1969 to 2006, becoming communications director. He was also the Chairman of the Arts Council and his interests included singing.
He was elevated to the Legislative Council, after having been elected on 18 May 2013 in the first round.
Corkish retired as of February 2018.
Personal life and death
Corkish was married to Muriel (née Curphy) from 1976, they had two children and one granddaughter,[3] Gabriella, who was elected as an Onchan Commissioner in the 2025 Manx local elections, becoming the youngest local authority member on the Isle of Man.[4] Corkish also held freemasonry membership.[3]