 With Mary Horton he had six children, including Charles Cooley, a distinguished American sociologist, and Thomas Benton Cooley, a noted pediatrician.Many of the original tomes memorializing and comprising Cooley's scholarly works are preserved and on display in the Thomas M. Cooley Law School Strosacker Law Library.In 1878, Cooley completed and published his work "A Treatise on the Law of Torts or the Wrongs Which Arise Independently of Contract".