From the 1885 History of Steuben County, Indiana page 709:

Thomas W. Haines, farmer, Section 32, Jackson Township, is one of the most enterprising citizens of Steuben County.  He is a son of William Haines and came with him to this county in October, 1853.  He was born in Carroll County, Ohio, in 1840, and there received his education, his time after coming to Indiana being required on the farm helping to clear the land of trees and stumps and prepare it for cultivation.  He remained with his parents till the breaking out of the Rebellion, and in 1861 enlisted in the 23rd Indiana Light Artillary and served 3 years and 9 months.  He was married after his return home to Nancy Ryan, a native of the state of New York.  They have a family of three children -- Adelbert, Addie and Robert.