Marian Hintze Monson was born August 17, 1925 to Ferdinand F. and Henrietta Jones Hintze. She studied piano and voice, and graduated from the University of Utah in 1946. Monson taught piano for more than twenty years in the School of Music at Brigham Young University.
She married Samuel Monson on September 3, 1948 in Salt Lake City, and together they had five children. She passed away on June 4, 2015 at the age of eighty-nine.