Aurora Reyes Flores (September 9, 1908-April 26, 1985) was a Mexican painter, writer, and educator considered to be the first female muralist in Mexico.
Biography on Wikipedia: https://en.wikipedia.org/wiki/Aurora_Reyes_Flores

El Primer Encuentro (The First Meeting) by Aurora Reyes
1978 / Mural in tempera / Casa Municipal, Coyoacan, Mexico City, Mexico

The Great Women of Muralism in Mexico: https://www.mexicanist.com/l/the-great-women-of-muralism-in-mexico/

Further reading:
https://latinamericanpost.com/22860-aurora-reyes-a-rebel-artist-who-fought-for-equality-in-mexico
https://pioneeringwomen.org/?p=491
https://translate.google.com/translate?hl=en&sl=es&u=http://conchamayordomo.com/2019/08/31/aurora-reyes-flores/&prev=search&pto=aue