The 1841 census shows Agnes, aged "40", on the north side of the High Street in Dumbarton with her children, John, ship's carpenter, George, app. joiner, Charles, app chainmaker, William, app. ship's carpenter, Robert, aged 8.
In 1851 Agnes, aged 56, is in the High Street with Robert, aged 18, app. blacksmith. All are born in Dumbarton.