Thomas Heyward, Jr. by Thomas Sully. National Portrait Gallery. Public Domain. (1746-1809) Born in St. Luke's Parish, Thomas Heyward, Jr. was a signer of the Declaration of Independence. Resources Charleston Museum - Thomas Heyward Jr. Biographical Directory of the United States Congress - Thomas Heyward Jr. South Carolina Hall of Fame - Thomas Heyward Jr. Discus Resources Gale in Context: Biography Middle Search Plus Literary Reference Center