Agnes Naismith was a woman of middling socioeconomic status residing in the parish of Erskine, Renfrew, whose life became inextricably linked to the intense judicial fervor that swept through Renfrewshire in 1697. Agnes was one of more than twenty-eight individuals accused during this period of significant civil and ecclesiastical scrutiny. Her legal ordeal began with the commencement of her trial in Renfrew on April 13, 1697. The proceedings were extensive, moving through several continuances before finally concluding on May 19, 1697. Within the court records, Agnes was identified as an accomplice by fellow accused women Janet Waugh and Issobell Lachlane, specifically facing charges related to her alleged participation in a witches' meeting.
The judicial process culminated on May 12, 1697, when the court returned a verdict of guilty. Following this judgment, Agnes was sentenced to death. On June 10, 1697, the sentence was carried out at the Gallow Green. In accordance with the prevailing practices for such convictions at the time, Agnes was executed by being strangled and subsequently burned. Her case remains a documented part of the Renfrewshire trials, serving as a stark record of one of the seven individuals among the broader group of the accused who were brought to full trial and final execution.