John Scurr was born in Brisbane on 6th April, 1876. He was adopted by his uncle and brought to London later that year. Scurr grew up in Poplar and worked as a clerk and married Julia Scurr in Woolwich in 1899. The couple had two sons and a daughter.
in 1902, joined the Social Democratic Federation. Other members of the SDF included H. M. Hyndman, Tom Mann, John Burns, Eleanor Marx, George Lansbury, Edward Aveling, H. H. Champion, Helen Taylor, Guy Aldred,