Married name of Leah Fox, the eldest of the famous Fox sisters, who launched American Spiritualism. She became Mrs. Underhill by her third marriage. She published the book The Missing Link in Modern Spiritualism (1885; reprinted 1976).
"Underhill, Leah." Encyclopedia of Occultism and Parapsychology. . Encyclopedia.com. (November 20, 2018). https://www.encyclopedia.com/science/encyclopedias-almanacs-transcripts-and-maps/underhill-leah
"Underhill, Leah." Encyclopedia of Occultism and Parapsychology. . Retrieved November 20, 2018 from Encyclopedia.com: https://www.encyclopedia.com/science/encyclopedias-almanacs-transcripts-and-maps/underhill-leah