Mills is a surname of English origin, derived from the Middle English word “milne,” meaning “mill.” The name likely originated as an occupational surname for those who worked in or owned mills. The Mills family has a rich history, with notable figures including John Stuart Mill, a prominent philosopher and political economist, and Stephanie Mills, an award-winning actress and singer. Today, the Mills surname remains common throughout the English-speaking world, with variations such as Milne and Milner also in use.