She was married to the poet Jorge Cuesta on November 9, 1928; they divorced on April 13, 1933.[6][7] She had one son from her second marriage, Lucio Antonio Cuesta-Marín, born in 1930.[7]
Marín was the subject of portrait paintings by Rivera, Frida Kahlo and Juan Soriano.[8][9][10] She is featured in the Rivera mural Creation, for which she modeled as Strength, Song, and Woman,[citation needed] and modeled nude as Earth for Rivera's Chapingo chapel mural while several months pregnant.[citation needed] She also modeled for photographer Edward Weston. Of the 1924 portrait, Weston wrote "I am finishing the portrait of Lupe. It is a heroic head, the best I have done in Mexico."[11]
In 1938, Marín's semi-autobiographical novelLa Única (The Unique Woman) was published.[12] Her book La Única was banned in Mexico for many years owing to its erotic nature.[1] In 2003, the novel and Marín were cited by author Salvador A. Oropesa in his book The Contemporáneos Group as being a feminist component of a counterculture writers' movement in post-revolutionary Mexico. She also wrote Un día patrio (A Patriotic Day) in 1941, in which she expressed political ideas.[1]
Legacy and death
Marín died in Mexico City on September 16, 1983, at the age of 87.
A novel in Spanish about Marín and Rivera's time together, Dos Veces única by Elena Poniatowska, was published in 2016.[6][13]