Demonbreun Family History
Demonbreun Name Meaning
American French: altered form of De Montbrun a topographic name with preposition de ‘from’ shortened from the French title sieur de Montbrun which refers to the placename Montbrun found in various parts of France (e.g. in Aude Drôme Lot and Lozère) presumably in all cases meaning ‘brown mountain’. The surname De Montbrun is found only in Canada while the surname Demonbreun is most common in TN.
Source: Dictionary of American Family Names 2nd edition, 2022