Linn was born in Greencastle, Indiana, to Sarah Frances Alspaugh and Charles Edward Walls. She was a direct descendant of the family of Jane Seymour, wife of Henry VIII of England. She married Edward Martin Linn in 1899. After he died in 1918, she married James Albert Sandy. Linn had one daughter, Gretchen. Little is known about her education.[6][7][5]
Linn taught piano and was the organist at Sutherland Presbyterian Church in Indianapolis. She belonged to the Pen Woman's Club and was a Federation President of the International Travel Study Club. In 1928, the National Spiritualist Association of Churches made Linn's "Sunflower Song" the organization’s official song. Linn spent the last year of her life in Florida with her daughter.[2][5]
The Carlin Music Company published Linn's music. She composed at least 14 piano pieces and five songs.[8]
^Cohen, Aaron I. (1987). International encyclopedia of women composers. 2: Sai - Zyb, Appendices (2. ed., revised and enl ed.). New York: Books & Music. p. 615. ISBN978-0-9617485-1-7.
^Stewart-Green, Miriam (1980). Women composers: A checklist of works for the solo voice. A reference publication in women's studies. Boston, Mass: Hall. p. 114. ISBN978-0-8161-8498-9.
^ abcSandy, Mrs. G. L. (3 September 1940). "Indianapolis Star". p. 12.
^Heinrich, Adel (1991). Organ and harpsichord music by women composers: an annotated catalog. Music reference collection (1. publ ed.). New York: Greenwood Pr. p. 371. ISBN978-0-313-26802-1.
^Stern, Susan (1978). Women composers: a handbook. Metuchen London: the Scarecrow press. p. 147. ISBN978-0-8108-1138-6.