1. Lyell McEwin served as the member of organizations including Agricultural Settlement Committee, Board of Management Blyth District Hospital, District Council of Hutt and Hill Rivers; and a committee member of the Blyth Agricultural and Horticultural Society.
Lyell McEwin was born in the Hundred of Hart, the youngest son of Alexander Lyell McEwin and Jessie Smilie McEwin nee Ferguson, who married 30 May 1888.
Lyell McEwin was educated locally and won a scholarship to Prince Alfred College.
Lyell McEwin attended the college for a period, but returned to the family farm at age 14.
In October 1934, campaigning as a "practical farmer", McEwin won the Northern district seat in the Legislative Council made vacant by the death of William Morrow.
Lyell McEwin retained the seat until June 1975, when he retired.
Lyell McEwin filled the Cabinet positions of Chief Secretary from 1939, coupled with Minister of Mines and Minister of Health.
Lyell McEwin oversaw the provision of many country hospitals funded on a subsidy basis: for every pound a local auxiliary raised, the Government contributed two.
Lyell McEwin was elected President of the South Australian Legislative Council on 8 March 1967.
Lyell McEwin married Dora Winifred Williams was born on 9 May 1898 and of "Fairview", Blyth, South Australia on 16 February 1921.
Lyell McEwin was a member of the Caledonian Society of South Australia and its chief from 1959 to 1968.
Lyell McEwin was a longtime worshipper at St Andrew's Presbyterian Church, North Adelaide.
Lyell McEwin's portrait, painted by Sir Ivor Hele hangs in Parliament House.
Lyell McEwin's name is commemorated in the Lyell McEwin Hospital.