I appreciate your message was posted a while ago, and don't know if you are still looking, but my CD ROM from the English Family Tree Association showing transcriptions of Burston Baptisms lists Samuel as being Baptized at St Mary's Burston on 26 Nov 1770. Page 3 of the Register. You might have a problem with the parents, as the CD lists his Mother as being Alice Woodrow but "Father unknown". Hope that helps a bit.

This is the Website. http://www.familytreeassociation.org/