Caroline County was organized in 1728 on the basis of a legislative act of 1727. The county was formed from Essex, King and Queen, and King William Counties.
County seat: Bowling Green              Source: FamilySearch.org

St. Mary's Parish has served (Old) Rappahannock, Richmond, Essex, and Caroline counties. Mount Church, established by 1748, belonged to this parish.  History of St Mary's Parish
 

Books

Caroline County Free Black Communities

Old Churches, Ministers and families of VIrginia

Colonial Caroline : a history of Caroline County, Virginia

A history of the ancestors and descendants of William Quarles of St. Margaret's Parish, Caroline County, whose will was proved July 14, 1817 : and sundry allied families

Published county records of Virginia

Research Links

Caroline County, Virginia Genealogy on Family Search

Virginia wills and administrations, 1632-1800 : an index of wills recorded in local courts of Virginia, 1632-1800, and of administrations on estates shown by inventories of the estates of intestates recorded in will (and other) books of local c