I do not believe that this person is the son of Thomas Pownall Pownall-81 - no record in Lincolnshire pedigress [1]
Sources
WikiTree profile Pownall-76 created through the import of Pownall Family Tree.ged on Aug 15, 2011 by Ashley Helma. See the Changes page for the details of edits by Ashley and others.
Source: S-1889365840 Repository: #R-1889517904 Title: Ancestry Family Trees Publication: Online publication - Provo, UT, USA: Ancestry.com. Original data: Family Tree files submitted by Ancestry members. Note: This information comes from 1 or more individual Ancestry Family Tree files. This source citation points you to a current version of those files. Note: The owners of these tree files may have removed or changed information since this source citation was created. Page: Ancestry Family Trees Note: Data: Text: http://trees.ancestry.com/pt/AMTCitationRedir.aspx?tid=28893884&pid=74