William McCormack (27 April 1879 – 21 November 1947) was Premier of Queensland, Australia, from 1925 to 1929.
Early life
McCormack was born on 27 April 1879 in St Lawrence, Queensland. He was the fourth of six children born to Mary (née Brennan) and Patrick McCormack; his mother was born in Ireland. His father owned a small grazing property, having previously worked as a carrier.