[8] Douglas was a member of the Daughters of the American Revolution; she was the great-granddaughter of Captain Gershom Mott who was a commander at New Windsor and Fort Constitution during the Revolutionary War.
[4] Douglas, under the name Josepha Williams, graduated in 1889 from the Gross Medical College,[9] which was rolled into the University of Colorado Denver School of Medicine in 1911.
[13] Douglas and Dr. Madeline Marquette founded the Marquette-Williams Sanitarium, a medical and surgical center, at 1542 Pearl Street in Denver in 1891.
[17] She had a one-room cabin with a "massive" stone fireplace built for her by John Spence from a partially finished barn.
After the cabin was constructed, Douglas and her mother commissioned Spence to build a large addition that included a two-story tower with a servant's kitchen, library, second-story bedroom, and several porches.
[17] It ultimately grew through Spence's efforts to a 17-room lodge with vaulted ceilings, two octagonal towers and a private chapel used by Canon Charles Winfield Douglas.
[18][a] The summer retreat called Camp Neosho[19] also had a number of tents were installed with wood-burning stoves, platform floors made of wood, and double canvas walls by Mary Williams.
[19] In 1894,[17] Canon Charles Winfred Douglas had moved to Evergreen from New York to recuperate from pneumonia and tuberculosis[19][18][24] and subsequently was under the care of Dr.
[25] The family moved to New York in 1902 while Canon Douglas pursued in musical and religious career, having the previous year studied plainsong and Gregorian chants in England, France, Germany, and Scotland.