Gormley is a hamlet in York Region, Ontario, Canada that overlaps parts of Richmond Hill, and Whitchurch–Stouffville, two municipalities within the Greater Toronto Area. It was divided into two parts due to the construction of Highway 404. A portion of Gormley situated within Richmond Hill's political boundaries is subject to "Heritage Conservation District" cont…Gormley is a hamlet in York Region, Ontario, Canada that overlaps parts of Richmond Hill, and Whitchurch–Stouffville, two municipalities within the Greater Toronto Area. It was divided into two parts due to the construction of Highway 404. A portion of Gormley situated within Richmond Hill's political boundaries is subject to "Heritage Conservation District" controls. A post office in Gormley serves as the mailing address for the Whitchurch–Stouffville communities of Bethesda, Gormley, Preston Lake, Vandorf, and Wesley Corners.