When Kirk Hammond Leavens was born on 24 September 1834, in Killingly, Windham, Connecticut, United States, his father, Jedediah Leavens Jr, was 31 and his mother, Frances Josephine Hammond, was 22. He married Martha M. Gleason in October 1863. They were the parents of at least 1 daughter. He lived in Connecticut, United States in 1870 and Norwich, New London, Connecticut, United States for about 20 years. He died on 21 October 1908, at the age of 74, and was buried in Yantic Cemetery, Norwich, New London, Connecticut, United States.