Machaut, Jacques a French Jesuit. was born at Paris in 1600; entered the order at eighteen, and afterwards taught ethics and philosophy, and was rector at Alenoon, Orleans, and Caen. He died in 1680 at Paris. His works are, De Missionibus Paraguarice et allis in America meridionali (Paris, 1636, 8vo): — De Rebits Japonicis (Paris, 1646, 8vo): — De Regno Cochinchinensi (Paris, 1652, 8vo): — De Missionibus in India (Paris, 1659, 8vo): — De Missionibus religiosorum Soc. Jesu in Perside (Paris, 1659,8vo): — De Reqno Madurensi (Paris, 1663, 8vo). See Hoefer, Nouv. Biog. Generale, s.v.