The following data is extracted from A History of the Pioneer Families of Missouri - Montgomery County.
James Harris, of Wales, married his cousin, a Miss Harris, and settled first in the eastern part of Virginia, but afterward removed and settled in Albemarle County. Their children were Wise, Thomas, Joel, James, and Nathan. Thomas married Susan Darby, of Virginia, by whom he had Anna, Elizabeth, Garrett, William, Robert, Mary, Sarah, and Thomas, Jr. Anna and Elizabeth came to Montgomery County, and the latter married Bernard B. Maupin. Garrett married Jane Ramsey, and settled in Montgomery County in 1837. Their children were William R., Mary B., Anna J., Garrett T., Margaret M., Sarah E., and Susan D. William R. is an influential citizen of Montgomery County. He is at present Probate Judge, has served eight years as County Judge, and several terms as Representative in the Legislature. He is a substantial, upright citizen, and enjoys the confidence and respect of all who know him. He married Margaret N. Bethel, of Virginia. Joel, son of James Harris, Sr., married Anna Waller, by whom he had Clifton, Ira, and Joel, Jr. Clifton married Mary Lewis, by whom he had Decatur, who married his cousin, Isabella Harris, and settled in Montgomery County. Waller C., Charles W., Mann H., Merriwether L., Susan, Catharine B., Matilda and Caroline, children of Ira Harris, settled in Montgomery County. William, son of Thomas Harris, Sr., married Patsey Maupin, and settled in Montgomery County; also his brother Thomas, who married Elizabeth Turk.
Source: A History of the Pioneer Families of Missouri - Montgomery County