Hopestill's maiden name, as the wife of John Luther, has been established through her father's will, in which Deacon John Butterworth mentions his grandson, Nathaniel Luther, as "son of my daughter Hopestill, wife of John Luther."
[S013451] Leslie L. Luther, compiler, and George A. Luther, editor, The Luther Genealogy: A History of the Descendants of Captain John Luther, (The Luther Family Association; Swansea, MA; 2001), 104.