Show ContentsLaplanches History, Family Crest & Coats of Arms

The French name Laplanches first arose during the Medieval period in Normandy (French: Normandie). It is derived from when the family having lived in Normandy at the Seigneury De Planques, from which their name is derived.

Early Origins of the Laplanches family

The surname Laplanches was first found in Normandy, the former Duchy of Normandy, where they were formerly seated in the honour of the seigneurie of De Planques in the region of Pas de Calais in the arrondissement of Montreuil sur Mer.

The family emerged at Wildenberg as a family of great distinction being descended from Conrad, Count de Rauzen, a Marshall of all France in 1712. Gaston Planté was a celebrated French physician who was born at Orthez in 1834 and died at Bellevue, Seine-et-Oise, 1889.

Jean Plante, born in 1621, son of Nicolas and Elisabeth (née Jouinne), settled in New France in the 17th century. After arriving in Quebec he married Françoise Boucher, born in 1636, daughter of Marin and Perinne (née Malet), on 1st September 1650. They settled together at Château-Richer, Quebec until Jean's death on 29th March 1706. Françoise passed away on 18th April 1711. 1

Early History of the Laplanches family

This web page shows only a small excerpt of our Laplanches research. The years 1712, 1834 and 1889 are included under the topic Early Laplanches History in all our PDF Extended History products and printed products wherever possible.

Laplanches Spelling Variations

History has changed the spelling of most surnames. During the early development of the French language in the Middle Ages, a person gave his version of his name, phonetically, to a scribe, a priest, or a recorder. Some variables were adopted by different branches of the family name. Hence, there spelling variations of the name Laplanches, some of which include Plant, Plante, Le Plant, Le Plante, Planque, Planquette, LaPlante, Laplante, Leplante, Planté, Duplante, Duplantie, Duplantis and many more.

Early Notables of the Laplanches family

More information is included under the topic Early Laplanches Notables in all our PDF Extended History products and printed products wherever possible.

Migration of the Laplanches family

By 1643 there were only about 300 people in Quebec. Since immigration was slow, early marriage was desperately encouraged amongst the immigrants. The fur trade attracted migrants, both noble and commoner. 15,000 explorers left Montreal in the late 17th and 18th centuries. By 1675, there were 7000 French in Quebec. By the same year the Acadian presence in Nova Scotia, New Brunswick and Prince Edward Island had reached 500. In 1755, 10,000 French Acadians refused to take an oath of allegiance to England and were deported to Louisiana. The French founded Lower Canada, thus becoming one of the two great founding nations of Canada. The distinguished family name Laplanches has made significant contributions to the culture, arts, sciences and religion of France and New France. Amongst the settlers in North America with this distinguished name Laplanches were Jean Plante arrived in Quebec from Aunis on the west coast of France in 1650, although this may have been a port of departure rather than his native province..



  1. Olivier, Reginald L. Your Ancient Canadian Family Ties. Logan: The Everton Publishers, Inc., P.O. Box 368, 1972. Print


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