The inclusion of Elizabeth Shore in Thomas More’s History of King Richard III offers important insights into the decisions made by More in shaping his text. This article explores the evidence available to More as he wrote, emphasizing the near-complete absence of Shore from earlier narratives. Shore’s activity in the 1470s and 1480s is examined, along with evidence for her survival and that of her husband, Thomas Lynom, into the 1510s when More was writing. Lynom’s connections are considered, providing an understanding of intersections of his activities with the environment in which More was shaping the History. As a central figure in the events of 1483 who survived into the 1520s, Shore was a prompt to the creation of More’s account – she was not simply a product of More’s literary and philosophical imagination, but part of his effort to respond to the immediate legacies of conflict in politics and society.