By: John Frederick Dorman, Pub. 1956, reprinted 2024, 144 pages, Index, soft cover, ISBN #978-1-63914-334-4. Prince William County was created in 1731 from Stafford and King George Counties. Prince William County is the parent county to: Arlington, Fairfax, Fauquier and Loudoun. It lies in the Northern portion of the state just south of Fairfax County, VA and west of Charles County, Maryland. Will are a wonderful source of information due to the wide variety of family members being mentioned within.