Jez was born in Brenham and studied at at the College of Industrial Arts (now Texas Woman's University), Denton, before settling in Fort Worth about 1920. She painted and taught in Fort Worth until shortly before her death in the city.
Exhibition: Annual Texas Artists Exhibition, Fort Worth (1928-37). All-West Texas Exhibition, Abilene Museum of Fine Arts (1946).
Affiliations: Fort Worth Art Association. Texas Fine Arts Association.