Born Lon Milo DuQuette July 11, 1948 in Long Beach California. Father, Clifford E. DuQuette "Driller" for Signal Oil and Gas, Long Beach. Mother Lucinda M. DuQuette (nee McConnal) Homemaker.
Moved to Columbus Nebraska in 1956. Graduated from Columbus Senior High School in 1966. There met (and later married in 1967) Constance Jean Olson.
Attended Orange Costa College in Costa Mesa California but dropped out to take part in the hippie revolution of the late 60s.
Together with singer-songwriter partner, Charles D. Harris in 1969 signed a recording contract with CBS Records (Epic label). Recorded and released two single and one album under the artist name "Charley D. & Milo" (1970-71). At the same time studied acting under Lee Strasberg at his Lee Strasberg Theatre Institute in Hollywood.
Became interested in the Western Mystery Traditions and Ritual Magick, and on November 15, 1975 was initiated by Grady Lewis McMurty and Phyllis Seckler into Ordo Templi Orients.
In 1988 he was asked by best-selling author, Christopher S. Hyatt, Ph.D to write an epilogue to his (then) newest work, Secrets of Western Tantra. DuQuette and Hyatt would go on to co-author for titles. DuQuette has been a professional writer/author ever since.
He lives with his wife, Constance, in Costa Mesa California. They have one son, Jean-Paul, and one grandson, Alexander.