Thomas Bryant's ancestors first appear in Quaker records from Burlington, New Jersey in 1707.   The Bryant name was formerly Bryan and originally Brian.
In 1783, Thomas dissented with Quaker beliefs by enlisting in America's Revolutionary War.
Family Tree Maker's Family Archives.   Genealogical Records: The Encyclopedia of Quaker Genealogy, 1750-1930.   1998.   Broderbund Software, Inc.