Company L.
H. J. Leonard was born at Whitesborough, New York, November 26th, 1836. In 1838 he removed with his father and the rest of the family to Roseoe, Illinois, and in 1845 they settled in Beloit, Wisconsin. July 1st, 1861, at Dubuque, Iowa, he enlisted under Captain H. H. Heath, Company L, First Iowa Cavalry. Was mustered into the United States service August 18th, 1861, and remained in the service until the regiment was mustered out, which was during the year 1866. He then returned to Beloit, Wisconsin, and embarked in the manufacture of gloves and mittens, and has continued in the business up to the present time — at present under the firm name of H. J. Leonard Manufacturing Company.
SOURCE: Charles H. Lothrop, A History Of The First Regiment Iowa Cavalry Veteran Volunteers, p. 348