I don't have any further information on Barbara Schwarz, b:c1759, d:1804. Here are some notes from the information I have:
Barbara's last name also spelled Swartz referenced in Historical Encyclopedia of Illinois and history of McDonough County by Bateman and Selby.
From HISTORY AND FAMILIES OF BULLITT COUNTY, KENTUCKY: Jacob was married to Barbara Swartz probably in Pennsylvania. (pages 74-75)
From the HISTORY OF BULLITT COUNTY,page 66 (submitter not listed) Henry BEGHTOL, Jr. was born 1775 in Va and died before 11/11/1858.He was married 10/6/1806to Elizabeth HORINE, d/o Jacob HORINE and Barbara SWARTZ.