Thomas Campbell, of the firm of Gaar, Scott & Co., is a son of William and Elizabeth (Parsons) Campbell, his father having died when our subject was a child, his mother surviving him twenty-four years. Thomas learned the carpenter’s trade in Pennsylvania, completing it in New York, and in the spring of 1845 he came to Richmond, Ind., and commenced working as a journeyman in the wood shop of J. M. and J. H. Hulton’s spring foundry, and for a number of years he was foreman of the pattern shop. He is at present a stock holder in the same firm. He was married in 1851 to Elizabeth, daughter of Jonas Gaar. They have three children – Howard, Assistant Superintendent of Gaar’s Works; Sarah E., wife of George R. Williams, and William, foreman of the pattern shop at Gaar’s Works. Mr. Campbell has retired from active life, and resides on Washington avenue, Richmond. History of Wayne County, Indiana. Chicago: Inter-State Publishing Co. 1884. Volume 2. Page 160.