Jill Mulvay Derr (born September 8, 1948) was a senior research historian in the Church History Department of the Church of Jesus Christ of Latter-day Saints (LDS Church) from 2005 to 2011. She previously served as Managing Director of the Joseph Fielding Smith Institute for Latter-day Saint History at Brigham Young University (2003-2005), where she was also Associate Professor of Church History (1998-2005). Her research and publications have focused on the history of Mormon and Utah women, and she is past president of the Mormon History Association (1998-1999).
Derr was raised as Jill Carol Mulvay in Salt Lake City. Some of her publications have been credited under her maiden name.
Derr is a member of the LDS Church. Derr is married to C. Brooklyn Derr, and they are the parents of four children. Longtime residents of Alpine, Utah, they have also lived in Fontainebleau, France,[1] and Tolochenaz, Switzerland.
Jill Mulvay Derr holds a bachelor's degree from the University of Utah and an MA in teaching from Harvard University.