Ancestry of
Upton Sinclair

Pulitzer Prize Winning Novelist

Mary Hayward

View famous kin of Mary Hayward

• • 9th Great-grandmother of Upton Sinclair — 12th Generation
  • Ahnentafel No:
  • 2523 
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  • Warham St. Leger
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  Katherine St. Leger

  Ursula St. Leger (Ahnentafel No:1261 )

  Mary St. Leger

  • Notes: 

  • Mary Hayward's maiden name is also seen as Heyward.

• Sources for Mary Hayward

  • ¹ Rietwiesner, William Addams, comp. and Christopher Challender Child, et. al., The Ancestry of Catherine Middleton, Boston, Massachusetts: New England Historic Genealogical Society (2011), 94.
  • ² Roberts, Gary Boyd, The Royal Descents of 600 Immigrants to the American Colonies or the United States (2 vols.), Baltimore: Genealogical Publishing Co. (2008), 177.