Sammis-MacDermid performed at the
Proms in London in 1904, under conductor
Henry Wood. In 1907 she sang at a benefit concert to raise money for a hospital in Iowa. She made several recordings on the
Victor label in 1910. She was a soprano soloist with the
Chicago Symphony Orchestra in 1910 and 1911. She was a church soloist, and taught voice students from her studio in Chicago. Her husband accompanied her in some recitals, and she sang his compositions. She also sang songs by
Carrie Jacobs-Bond and
Lily Wadhams Moline.
Alma Voedisch was the MacDermids' manager. In 1919, Sammis-MacDermid organized an all-female touring quartet, the Sibyl Sammis Singers. from some of her best students. She gave a joint recital with baritone Fred Newell Morris in Indianapolis in 1922. Also in 1922, she gave a five-week master class at a music school in Kansas City. She posed at the wheel of an
Oldsmobile car as an endorsement for the brand. She was vice-president of the Society of American Musicians in Chicago. == Publications ==