Rosario Ibarra
María del Rosario Ibarra de la Garza (24 February 1927 – 16 April 2022), also known by her marital name Rosario Ibarra de Piedra, was a Mexican activist and politician. She was a presidential candidate and was president of Comité Eureka at the time of her death. She was a member of the Senate from 2006 until 2012.