When Theodore M. Drew was born on 24 February 1855, in Vernon, Sussex, New Jersey, United States, his father, Barnette Drew, was 31 and his mother, Susan Williams, was 28. He married Julia Etta Riggs on 27 August 1879. They were the parents of at least 6 sons and 7 daughters. He lived in Vernon Township, Sussex, New Jersey, United States for about 40 years. He died on 12 January 1929, in Warwick, Warwick, Orange, New York, United States, at the age of 73, and was buried in Warwick, Warwick, Orange, New York, United States.