Saint Vihn Son Ðo Yen Feb 072009 Also known as Vincent Yen Do Memorial 30 June 24 November as one of the Martyrs of Vietnam Profile Dominican priest. One of the Martyrs of Vietnam. Born c.1764 in Trà Lu, Nam Ðinh, Vietnam Died martyred on 30 June 1838 in Hai Duong, Vietnam Venerated 2 July 1899 by Pope Leo XIII (decree of martyrdom) Beatified 27 May 1900 by Pope Leo XIII Canonized 19 June 1988 by Pope John Paul II