Show ContentsDemorest History, Family Crest & Coats of Arms

The Demorest surname is a habitational name derived from any of several places named with the Old French words "mareis" or "maresc", meaning "marsh".

Early Origins of the Demorest family

The surname Demorest was first found in Cambray, Normandy (French: Normandie), the former Duchy of Normandy, where ancestors of the family belonged to the house of Bousis. According to Arthurian legend, Sir Hector de Maris (or Ector de Maris), was a Knight of the Round Table, younger half-brother of Lancelot and the natural son of King Ban of Benwick and the Lady de Maris.

René Desmarais, son of Jean and Jeanne (née Brassard), travelled from Poitou, France to the New World in the 17th century. He married Jeanne Blondeau at Trois-Rivières, Quebec on 16th November 1671. 1

Early History of the Demorest family

This web page shows only a small excerpt of our Demorest research. Another 297 words (21 lines of text) covering the years 1096, 1108, 1113, 1360, 1429, 1463, 1496, 1500, 1518, 1519, 1526, 1544, 1567, 1595, 1604, 1610, 1619, 1647, 1648, 1650, 1656, 1661, 1662, 1676, 1679, 1682, 1686, 1696, 1709, 1714, 1721, 1728 and 1752 are included under the topic Early Demorest History in all our PDF Extended History products and printed products wherever possible.

Demorest Spelling Variations

Spelling variations of this family name include: Desmarais, Demarais, Des Marais, Desmarets, Desmarés, Desmareys, Desmaray, Desmaraie, Desmarest, Desmaret, Desmarets, Démarais, Démarets, Démarey, Démareys, Démarés, Démarey, Démaré, Démarés, Démarée, Démarées, Démaraie, Démaray, Maret, Marest, Marais, Mareys, Marets, Marest, Mares, Marays, Marrey, Mareys, Marées, Des Marest, Des Maret, Des Marets, Des Marez, De Marest, Du Marest, Du Marais, Du Marrey, Du Mareys, Du Mares, Du Marays, Du Mareys, Du Marées and many more.

Early Notables of the Demorest family

Notable amongst the family in this period was Baldwin I, Lord of Marets in the 11th century, as well as Hugues Maret, the first Priest at the Benedictine Abbey of Valbenoite, in 1108. Jean Desmarets (1595-1676), Sieur de (Lord of) Saint-Sorlin was the author of many volumes of poetry and critical works, as well as the first chancellor and co-founder of the Académie Française; Nicolas Desmarets, known as the Marquis de Maillebois (1648-1721)...
Another 72 words (5 lines of text) are included under the topic Early Demorest Notables in all our PDF Extended History products and printed products wherever possible.


Canada Demorest migration to Canada +

Some of the first settlers of this family name were:

Demorest Settlers in Canada in the 18th Century
  • Mr. James DeMorest U.E. who settled in Fredericksburgh [Greater Napanee], Ontario c. 1784 2
  • Mr. Simon Demorest U.E. who settled in Saint John, New Brunswick c. 1784 2

Contemporary Notables of the name Demorest (post 1700) +

  • Alfredo L. Demorest, American politician, U.S. Vice Consul in Trinidad, 1922-32 3


  1. Olivier, Reginald L. Your Ancient Canadian Family Ties. Logan: The Everton Publishers, Inc., P.O. Box 368, 1972. Print
  2. Rubincam, Milton. The Old United Empire Loyalists List. Genealogical Publishing Co., Inc, 1976. (Originally published as; United Empire Loyalists. The Centennial of the Settlement of Upper Canada. Rose Publishing Company, 1885.) ISBN 0-8063-0331-X
  3. The Political Graveyard: Alphabetical Name Index. (Retrieved 2016, January 15) . Retrieved from http://politicalgraveyard.com/alpha/index.html


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