[9][7] In 1958, Horsechief began her teaching career in the Tucson Arizona Public School System,[5] later, 1966, continuing her graduate studies at the University of Tulsa[3] and completing her master's degree in education at Northeastern.
[4][7] Her subject matter typically focuses on Native American people, as they go about their daily lives or participate in ceremonies and she often portrays children.
[7] In 1972, Adair won a first-place award at the Five Civilized Tribes annual competitive art show and was featured with David E. Williams (Kiowa/Tonkawa/Plains Apache) in a two-person exhibition and lecture held at the Goddard Center in Ardmore, Oklahoma.
[15] In 1976, Adair, along with Sharron Ahtone Harjo (Kiowa), Ruthe Blalock Jones (Shawnee/Peoria/Delaware), Virginia Stroud (Keetoowah Cherokee/Muscogee), Carrie Wahnee (Comanche) and Mary Bresser Young (Choctaw), were featured in an all women's exhibition hosted at the Stovall Museum in Norman, Oklahoma.
[17] Adair again joined Stroud, Harjo, Jones, as well as Joan Brown (Cherokee descent), Jean Bales (Iowa), Valjean McCarty Hessing (Choctaw), and Jane McCarty Mauldin (Choctaw) in the Daughters of the Earth exhibition, curated by Doris Littrell, which toured from 1985 to 1988 throughout the United States and Europe.
[21] In 2015, she worked on a collaborative project with her children Sam, Mary, and Daniel, for the expansion of the Wilma Mankiller Health Center in Stilwell, Oklahoma.
[7] Adair illustrated Selu: Seeking the Corn-Mother's Wisdom (1994) by Marilu Awiakta[1] and Native American Gardening (1996) by Michael J. Caduto and Josphe Bruchac.