Coniac a French Benedictine of the society of St. Maur, was born at Rennes in 1731, and died in Paris in 1802. He commenced the Collection des Conciles de France (completed by Labat, Paris, 1785), and published, in connection with J.P. Deforis, the Collection des OEuvres de Bosslet (Paris, 1772-1790). See Hoefer, Nouv. Biog. Generale, s.v.