William John Locke (20 March 1863 – 15 May 1930) was a novelist and playwright, born in Cunningsbury St George, Christ Church, Demerara, British Guyana on 20 March 1863, the eldest son of John Locke, Bank Manager of Barbados, and his first wife, Sarah Elizabeth Locke (née Johns). His parents were English. In 1864 his family moved to Trinidad and Tobago. In 1865, a second son was born, Charlie Alfred Locke, who was eventually to become a doctor. Charlie Locke died in 1904 aged 39. His half-sister, Anna Alexandra Hyde (née Locke), by his father's second marriage, died in 1898 in childbirth aged 25.