James was the 5th of 5 children of George Yerion and Susannah (surname unknown). He married on July 4, 1837, Wythe County, Virginia, to Jane Simmerman. James was a farmer and appears without children in the 1850, 1860, and 1870 census of Wythe County, Virginia. In 1870 the township is Speedwell. Birth year shown above is approximate.