Blake was born in 1863 in Smithfield. He had a shop next to the Smithfield Hotel from which he ran his coach¬building business, manufactured farm trolleys and wagons. Later he became Smithfield's undertaker and blacksmith.
Joseph Junior held official positions in the district as the auditor for the District Council of Munno Para East and West, the Registrar of Births, and Deaths, for the Port Gawler District as well as Trustee of the Institute and Presbyterian Church (his father having been a founder of both the Institute and the Church). He married Martha Coker in 1890, and they had three sons and three daughters.A local ghost story tells of the ghost of Joseph Blake, still driving his hearse, dressed in undertaker black, drawn by two white headless horses. On certain nights, he can be seen galloping past the junction of Uley and One Tree Hill Roads.