*Thomas Barton
born about 1740 <Pennsylvania or Maryland> or
<born after 1735 New Britain Township, Bucks County, Pennsylvania>

father:
<*Joseph Barton, Jr.>
born about 1708 Pennsylvania
died 17 June 1777 New Britain Township, Bucks County, Pennsylvania

mother:
<*Pleasant Miller>
died before 1745
married 17 March 1735/36 First Presbyterian Church, Philadelphia, Pennsylvania
(end of information)

siblings:
<Benjamin Barton
Elizabeth Barton
Job Barton
Hannah Barton>

spouse:
*Martha wife of Thomas Barton
born about 1751 Pennsylvania or Maryland
married about 1776 ?, Washington, Pennsylvania
(end of information)
or
<*Patience Eldridge>
married 19 May 1761/66
(end of information)

children:
*Elizabeth Barton
born 11 July 1777 <?,Washington, Pennsylvania>
died 11 October 1860/69 Mason, Illinois
buried Bath Cemetery, Snicarte Slough, Mason County, Illinois

biographical and/or anecdotal:

notes or source:
ancestry.com
This may not be the correct *Thomas Barton's father.
However the dates, counties and the fact that all are Presbytarians lend a common thread.
Further research will confirm.