Teaching in Alabama Harper taught at
Northport, Alabama as a young woman, and gave private music lessons. She returned to teach at her alma mater, Industrial High, and organized the Girls' Minstrel, the yearly musical and theatrical showcase. While teaching at Parker High School in Birmingham, Harper led a musical group called the Ethel Harper Rhythm Boys. The group of teenaged students toured in Alabama in a chartered bus, and included Sonny Blount, later known as jazz composer
Sun Ra. In 1932, Harper became president of the Birmingham City Federation of Colored Women's Clubs.
Music In New York, Harper performed at the
Apollo Theatre's Amateur Hour in 1936, and won. Soon after, she appeared in ''Connie's Hot Chocolates of '37
, with the Melody Maids. She appeared in the 1939 Broadway production The Hot Mikado'', a swing reworking of the
Gilbert and Sullivan operetta, with
Bill "Bojangles" Robinson. performing for troops and making recordings.
Aunt Jemima In 1950, Harper auditioned for, and won, the part of
Quaker Oats' Aunt Jemima; her friend
Edith Wilson also played the role on radio and television, from 1948 to 1966. As the face of the company's pancake syrup, Harper appeared in person at pancake festivals, schools, and hospitals, until 1958. She was the last individual model for the character's image; after 1958 the face of Aunt Jemima was a composite creation.
Girl Scouts and later years After her Aunt Jemima role ended, Ethel Harper moved to
Morris County, New Jersey, where she worked for the Morris Area Girl Scout Council from 1958 until 1967, in various positions including director, program coordinator, staff advisor, and committee chair. After nine years with the New Jersey Girl Scouts, Ethel transferred to the
Girl Scout Council of Greater New York. She retired from Scouting in 1969. She was a community outreach worker at Wetmore Towers, a senior citizens housing development, and she helped to sponsor an annual benefit program for Meals on Wheels. She hosted a radio talk show called
Youth Speaks Out; Age Speaks Out; Are You Listening? and a performing arts showcase,
Extravaganza of the Arts, held at Morristown High School. She was active in the Morristown chapter of the
NAACP. == Personal life ==