In her rare autobiographical writings, St. Clair revealed few details of her personal life, but interviews with some who knew her indicate that she and her husband were well-traveled (including some visits to nudist colonies), were childless by choice, and in 1966 were initiated into Wicca by Raymond Buckland, taking the Craft names Froniga and Weyland. Eric St. Clair worked variously as a statistician, social worker, horticulturist, shopfitter, and a laboratory assistant in the University of California at Berkeley Physics Department; he also published numerous short stories and magazine articles and was "perhaps the leading American writer of children's stories about bears, having sold close to 100 of them."