Maria I. Diaz, 89, of San Tan Valley, Arizona passed away on April 29, 2017. Visitation will be Friday, May 5, 2017 from 5:00 to 9:00 p.m. at Mountain View Funeral Home in Mesa, Arizona and Saturday, May 6, 2017 at 9:00 a.m. at Our Lady of Guadalupe Catholic Church in Queen Creek, Arizona. A Mass of Christian Burial will be held Saturday, May 6, 2017 at 10:30 a.m. at Our Lady of Guadalupe Catholic Church immediately following visitation.