Biographical Sketch of Gardner Stewart Leave a Comment / New Hampshire / May 14, 2011 Last Updated on August 26, 2012 by GARDNER STEWART, son of John Stewart-an early settler on Winter Hill-married Sarah, daughter of James Powers. He has been a successful financier. He now resides at Plainview, Min. Surnames:Stewart, Topics:Biography,Collection:Partridge, Dennis N. Croydon New Hampshire Genealogy.