Mary Louisa Gale, third and youngest daughter of the late Hon. Samuel Gale, a Judge of the Court of Queen's Bench for Lower Canada, and his wife, Mary M. Hawley, was born in Montreal, and educated there and abroad. 

In 1870 she and her sisters embarked for England, and, subsequently, made a tour of the European continent, visiting France, Italy, Switzerland, Germany, Holland and Belgium. While on this visit, Miss Gale met, and was married to, the Baron von Friesen, of Dresden, the ceremony taking place in that city, April 2nd, 1872. By this marriage there was issue one son, Arthur, who is now the Baron von Friesen. 

The Baroness died at Berlin, December 10th, 1875, aged 26, and was buried beside her husband, who predeceased her, in the Lutheran churchyard of Wormbrunn, in Prussian Silesia. 

Her eldest sister, Ann Rebecca Gale, married, January, 1878, Dr. T. Sterry Hunt, a distinguished' man of science, and her second sister, Agnes Logan Gale, married, April 27th, 1875, Andrew Charles Stuart, second son of the late Chief Justice Sir Andrew Stuart, of Quebec. She died March 28th, 1876. By her will Mrs. Stuart left $25,000 to endow the Gale chair, in the Faculty of Law, McGill University, in 'memory of her father.