Harriet Emilie Cady (July 12, 1848 – January 3, 1941) was an American homeopathic physician and author of New Thought spiritual writings.

In the late 1860s, she decided to pursue the field of medicine, and enrolled in the Homeopathic Medical College of the State of New York[4] She graduated in 1871 and became one of the first woman physicians in America.

[5] Introduced to the teachings of Albert Benjamin Simpson, Cady became deeply involved in spiritual and metaphysical studies.

Cady associated with several prominent figures in the New Thought movement of the time, including: Emma Curtis Hopkins, Divine Science minister Emmet Fox, Ernest Holmes, founder of Religious Science, and Charles and Myrtle Fillmore, co-founders of Unity Church.

[2] Finding The Christ in Ourselves, a pamphlet she had written and sent unsolicited to Charles and Myrtle Fillmore, was published by them in the October 1891 issue of Thought.