title: Mario De Pillis
text: # Mario De Pillis
  
  Mario S. De Pillis (January 22, 1926, in Philadelphia, Pennsylvania - November 18, 2021) was an emeritus professor of American Religious history at the University of Massachusetts Amherst. De Pillis specialized in the history of such groups as the Latter-day Saints and Shakers. He was the second president of the Mormon History Association who was not a member of The Church of Jesus Christ of Latter-day Saints, any other Latter-day Saint movement church, or a former member of any such church.
  
  De Pillis had a bachelor's and master's degree from the University of Chicago and a Ph.D. from Yale University.
  
  De Pillis and his wife, the former Freda M. Rustemeyer, were the parents of three sons. De Pillis was a Catholic.
  
  ## Sources
  
  * ↑ "Archives West: Mario S. De Pillis papers, 1957-2008". Retrieved 18 March 2017.
  * ↑ "Mario S. De Pillis Sr. 1926 - 2021". Daily Hampshire Gazette. Retrieved 3 December 2021.
  * Article by Jan Shipps mentioning some of De Pillis' work
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