Locks' Press was established in 1979 in Brisbane, Australia. It was a private press, owned and operated by Fred and Margaret Lock. In 1978 Fred and Margaret Lock moved to Ontario. Margaret Lock illustrated most of their work. The Press ceased book publication after 2000, though it continued to produce broadsies until 2013 when it ceased operations and the Locks' moved to England. Frederick Peter Lock was born on 2 October 1948 in London. Margaret Helen Capper was born in 1950 in Canada. They married in 1974. Fred Lock worked at the University of Queensland from 1974 to 1988.