María Leonor Noyola Cervantes was born on April 25, 1962, in the state of San Luis Potosí, Mexico. She studied for a degree in public accounting. From 2012 to 2015 she was councilor of the municipality of Soledad de Graciano Sánchez for the Party of the Democratic Revolution (PRD). In 2014 she was appointed state delegate of the PRD in San Luis Potosí.[2][3]