Sterling was born in Anahuac, Texas.[1] Daughter of Benjamin Franklin and Mary (Bryan) Sterling,[2] she was one of twelve children.[3] As a young woman, she worked with her brothers in her father's store.[1]
She worked for the R.S. Sterling and Company as a bookkeeper and as secretary and treasurer in 1913.[4] At the same time, Sterling became the assistant and then later, full treasurer and secretary of the Humble Oil Company.[4] She signed checks for the business as "F.M.Sterling," hiding her gender.[1] She also was the secretary and treasurer of the Sterling Investment Company.[5] During World War I, she was a member of the executive board of the Houston Red Cross.[1] She also worked as treasurer of the Houston War Camp Community Service.[5] She never married, devoting herself to various causes all her life.[6]
Sterling was active in women's rights in Texas. She was elected the second vice-president of the Texas branch of the National Woman's Party in 1916.[4] She was involved with the Texas branch of the congressional union for woman's suffrage.[7] Sterling founded the Woman's Viewpoint in 1923.[8] She felt that the world needed to see things through the eyes of women.[9] The magazine was edited and written entirely by women and ran until 1927.[4] Sterling served as president of the League of Women Voters in Houston from 1923 to 1925.[3] In the late 1920s, Sterling shared her home with Oveta Culp Hobby.[10] They had been friends for several years.[11]
^ ab"Florence Mary Sterling". League of Women Voters of the Houston Area. 3 September 2014. Retrieved 14 April 2016.
^ abcdeMcArthur, Judith N. (15 June 2010). "Sterling, Florence M."Handbook of Texas Online. Texas State Historical Association. Retrieved 14 April 2016.