!BIRTH: FamilySearch2, Allison Worsham, https://ancestors.familysearch.org/L7Y9-WHW
!REFERENCE: Ancestors of John Alexander Erwin637, Moss

!BIRTH: 18-Apr-1762 Frederick, MD births, Thomas Allison Bird, https://www.familysearch.org/ark:/61903/1:1:F4ZV-F4G
!BIRTH: Prince George's, MD historical parish records 1686-1885 by Helen W. Brown, published by Prince George Historical Society
!BIRTH-DEATH: Find a Grave1, https://www.findagrave.com/memorial/237863665
!BIRTH-DEATH: FamilySearch2, Thomas Allison Bird, https://ancestors.familysearch.org/G4PR-4H5
!REFERENCE: Richard Bird Maffitt 1870s letter to his children446
!MARRIAGE: 06-Jan-1784 Wilkes, NC marriage bond; book 1, page 120, Thomas Bird and Elizabeth Heatley
!REFERENCE: Feb-1991 phone conversation with Bob Erwin, married 2 or 3 times
!REFERENCE: Craig & Tracie's Family Tree475, 5 children
!REFERENCE: Descendants of Rev. Francis Bird and Franky Abernathy638, Rev. Thomas Allison Bird, 6 children
!REFERENCE: Ken Bradford's Genealogy Pages337
!REFERENCE: 2003 Ancestors of John Alexander Erwin637, Revolutionary War pension application
!REFERENCE: 2023 emails from descendant of Susannah Bird (1792-1879) and Christopher Augustus Setzer (1792-1850)