Thomas is found in the 1850 Illinois census, Knox county, Lynn township. He is age 55, a farmer with $500 in real estate. The Portrait and Biographical Album of Knox County, has a paragraph about them under the husband of their daughter Sarah McNaught Smith. Her parents were married near Pittsburgh, Pennsylvania and had four children there, they then moved to Richland county, Ohio and had six more children. Sarah was the next to youngest. Five of those children were living in 1886, one other was still in Illinois. Sarah was six when the family moved to Lynn township where Thomas died. He was a carpenter and cabinetmaker by trade.