[4] She began performing publicly on the piano in Terre Haute when she was twelve years old.
[8] Hoberg's music was published by M. Witmark & Sons,[9] Oliver Ditson Co.[10] and Arthur P. Schmidt Co.[11] She published her music under the name Margaret Hoberg.
[12] She married Herbert Turrell in 1922, a year after his first wife died.
[13] In 1935, the couple established the Turrell Fund to aid at-risk children.
[14] The Fund donated a total of $238,621,996 between 1935 and 2018, and remains active today.