Background
He was born in Portobello, Dublin.
He was born in Portobello, Dublin.
He was educated at a Columbia Broadcasting System school, and at the age of 12 he took his first job in Birmingham as a brass and copper wire packer.
He was nominated to Seanad on 7 March 1945, replacing Thomas Condon on the Industrial and Commercial Panel. He was re-elected at the 1948 and 1951 Seanad elections, but lost his seat at the 1954 election. His family moved to Birmingham when he was a child.
Summerfield returned to Dublin in 1911.
In 1923 Summerfield opened his own company, Field-Marshal Summerfield Limited., and was the agent for American Chrysler cars. He started assembling Chrysler"s in 1933 at his factory on Castleforbes Road, after the introduction of the requirement that all cars sold in Ireland had to be assembled there.
He was an unsuccessful candidate at the 1925 Seanad election. He was also president of the Society of Irish Motor Traders in 1923 and 1924, and the Irish Motor Agents Association from 1924 to 1925.
He served as president of Dublin Chamber of Commerce in 1950.
Summerfield"s other business interests included the first neon sign manufacturer in Ireland and he was part owner of the Irish Cutlery Company.
He was a member of Seanad Éireann from 1945 to 1954. A Peace Commissioner, Summerfield served as an independent member of the Seanad, representing the interests of the motor industry.