William King

William King (c.1785 - 26 April 1861) was an English merchant with interests in estates in British Guiana, Trinidad, and Dominica. He was the son of the slave trader Thomas King.

Early life and family William King was born around 1785 in Middlesex to the slave-trader Thomas King of Camden, Calvert & King and his wife Sarah. His wife was Elizabeth A. King, born around 1825.

Career King was a partner in Thomas & William King, merchants of London. He was awarded compensation for the loss of slaves on the Friendship, Sarah, Good Success and Good Interest estates in British Guiana and the Union estate in Trinidad. He also received compensation as a bond creditor in respect of the Geneva estate in Dominica. and the Sarah estate in Demerara with over 170.

He was a director of the London Dock Company.

Death King died on 26 April 1861. His address at the time of his death was 16 Sussex Square, London, and he was buried at All Souls, Kensal Green, on 3 May 1861. He left an estate that did not exceed £140,000. His wife, Elizabeth, died in 1868 at 134 Westbourne Terrace, London, but left only £10,000.