When James Alfred Whitworth was born on 16 March 1865, in Manchester, Lancashire, England, United Kingdom, his father, Jeffrey Whitworth, was 25 and his mother, Sarah Eliza Boyd, was 25. He married May Elise Woolfolk on 30 June 1897, in Deer Lodge, Powell, Montana, United States. They were the parents of at least 2 sons and 1 daughter. He lived in Deer Lodge, Montana, United States in 1900 and Deer Lodge, Powell, Montana, United States for about 30 years. He died on 4 August 1951, in Los Angeles, Los Angeles, California, United States, at the age of 86, and was buried in Deer Lodge, Powell, Montana, United States.