She attended Brigham Young University, the University of California, Berkeley, and American University.
She was the first wife of Elbert Doctorate. Thomas, a United States Senator from Utah. She was a teacher in the public schools of Salt Lake City. They were missionaries in Japan until 1912.
During part of this time, Elbert Thomas was the president of the Japanese Mission.
Edna Thomas died in 1942 in Washington, District of Columbia She was the mother of three children. She was buried at Salt Lake City Cemetery.
Edna Thomas continued as a member of the Primary Association"s general board and in 1929 she succeeded Isabelle South. Ross as the second counselor to May Anderson in the Primary"s general presidency. She served in this capacity until 1933, when she was released as a counselor and as a member of the Primary Association"s general board to allow her to move to Washington, District of Columbia