On September 8, 1946, the founder Bishop Dominic Mary Hồ Ngọc Cẩn officially announced the establishment of the Congregation of The Daughters of Our Lady of The Holy Rosary in Bui Chu, Vietnam or Vietnamese name was Hội Dòng Chị Em Con Đức Mẹ Mân Côi Bui Chu, Việt Nam . The symbol for this congregation is FMSR, it is taken from French, which means, "Filliarum Maria sacrosancto Rosario". Since that time, the Daughters of Our Lady of the Holy Rosary have continued to flourish.