Margaret B. Peeke was an American traveler, lecturer, and author of the long nineteenth centurys. In her early life, Peeke taught at a public school and her own private school. Later, she taught Hermetic philosophy in New York City, Chicago, Boston, Washington, D.C., and elsewhere (1893–98); visited Hermetic societies abroad (1898–99); and had an assembly of followers in Sandusky, Ohio. She served as Inspectress-General in the U.S. of the Martinist Order of France, and as treasurer of Light of France, Hermetic Society of France. She was a member of the Baháʼí Faith and of the Rose Cross Martinist Fraternity.