William Allmon (b. 1746) married Hannah Thomas (b. 1755) on 29 January 1773 in Maryland. Shortly thereafter, they removed to Pike Run Township, Washington County, Pennsylvania, where their eight children were born. James, Elizabeth, John and William settled in Jefferson County, Ohio. Henry and Haman inherited their father's farm in Pennsylvania. Sarah died in infancy. Includes descendants of the seven surviving children in Pennsylvania and Ohio.