Marioun Lynn was a widowed woman of lower socioeconomic standing residing in the coastal town of Prestonpans, Haddington. During her lifetime, she served as a domestic worker to a man named John and practiced as a midwife, a position that placed her in intimate contact with the domestic and biological realities of her community. Her legal troubles began in the spring of 1659, a period of heightened judicial scrutiny, when she was implicated in the activities of an extensive network of individuals. The reach of these allegations was significant; she was named as an accomplice by a diverse group of fifteen people, including Jeane Craig, Katharine Gibsone, Grissel Fleck, Agnes Thomson, and Thomas Thompson, among others.
Following the initial charges, Marioun was subjected to interrogation, resulting in formal confessions recorded on 29 March and again on 27 April 1659. The central allegation against her involved participation in what was described as a witches' meeting. While the judicial process surrounding her case spanned several decades—with trial references appearing in both 1702 and 1720, long after her initial confession—the surviving records firmly anchor her experience in the ecclesiastical and civil anxieties of the mid-seventeenth century. These documents reflect a life defined by her roles as a midwife and servant, ultimately caught within the complex web of community accusations that characterized the era's witch trials.