In the 1850 census Thomas was living with the James Mark family and listed as a student. This was right next door to Ellen David. In the 1860 and 1870 census he is listed as a merchant working in a dry goods store. Later he was a deacon in the First Baptist Church of Sumter and secretary of the local Confederate veterans organization. He also served as a trial judge, clerk of the county board and judge of probate. The two latter positions he held for thirty years and was still at it at the time of his death. He died on Christmas day, just as the sun was setting. Thomas and Ellen had twelve children, all of whom were born in Sumter, S.C. They were:
Mary Ellen Walsh (June 13, 1853-February 1, 1923). She married Benjamin Peter Cuttino in 1880. She is buried at the Sumter City Cemetery. Rosa Robinson Walsh (July 14, 1857-June 13, 1858). She is buried in the Sumter City Cemetery. Anna H. Walsh (b. 1859). She married Charles H. Singleton. She is buried at the Sumter City Cemetery. Bartow Walsh (April 16, 1861-April 4, 1925). He married Bessie Williams Lebby. He is buried at the Sumter City Cemetery. Pinkney Seingler (Shingler) Walsh (July 31, 1863-March 26, 1864). He is buried at the Sumter City Cemetery. Florence Walsh (March 1, 1866-January 30, 1950). She married Harry Asbury Hoyt. She is buried at the Sumter City Cemetery. Lucy Walsh (February 19, 1868-November 21, 1944). She married Rev. Clinton Capers Brown. She is buried at the Sumter City Cemetery. Mary Walsh (b. 1869). Emma Walsh (February 19, 1870-October 12, 1957). She married Ernest Harrison Rhame on November 1, 1890. She is buried at the Sumter City Cemetery. Thomas Vardelle Walsh (December 17, 1871-June 8, 1959). He married Kathleen Barden. He is buried at the Sumter City Cemetery. Laura Elizabeth Walsh (November 17, 1879-April 10, 1959). She married Brewington M. Lebby. She is buried at the Sumter City Cemetery.