Her book, The People of El Valle, is influential in the history and genealogy of the San Luis Valley.
[1] She descended from Spanish settlers from New Mexico that migrated to the San Luis Valley in 1849 as part of the Sangre de Cristo Land Grant.
She further developed her thesis, "The Spanish Heritage in the San Luis Valley," into her later book The People of El Valle.
[3] In 1940, Lopez Tushar was recruited by the superintendent of Walsenburg Public Schools as a teacher for her cultural knowledge and connection with Hispanic students.
[3] During her time at Huerfano High School, she sponsored the Spanish Club and supported a student production of "El Fandango."
[1] In 1942, Lopez Tushar was drafted into the war effort as a deputy acting censor in El Paso, Texas.
[1] Lopez Tushar spoke six languages: Spanish, Portuguese, Italian, Latin, French, and English.
[5] A bronze bust of Lopez Tushar is in the Gates Western History Reading Room of the Denver Public Library.