Demars History, Family Crest & Coats of Arms
The name Demars was originally "De La Mare, from the great fief of La Mare, near St. Opportune, in the comune of Autretot, Normandy; where their castle was built upon piles on the margin of the lake still called Grande-mare." 
One source claims the name was derived from the Old French word "marre," meaning "a ram."
Early Origins of the Demars family
The surname Demars was first found in Normandy where "Sire de la Mare is one of the Norman nobles enumerated by Wace at the battle of Hastings; and the family became very numerous both in Normandy and England. Sir William de la Mare, and his lands in the valley of La Mare, are mentioned in a charter of St. Louis, dated 1259; and as many as nine Sires de La Mare (almost all of them bearing different arms) are entered on the roll of "Gentilshommes de la Normandie" given in the Nobiliaire." 
The ancestor of the English families, Norman de La Mare, lived c. 1030 and Hugo de La Mare occurs in the Breton charter in 1070. This was one of his sons, of whom four went to England at the Conquest. 
William de Mare was an undertenant in Wiltshire and Herefordshire according to the Domesday Book of 1086. 
Early History of the Demars family
This web page shows only a small excerpt of our Demars research. Another 302 words (22 lines of text) covering the years 1585, 1610, 1629, 1637, 1653, 1660, 1674, 1680, 1712, and 1738 are included under the topic Early Demars History in all our PDF Extended History products and printed products wherever possible.
Demars Spelling Variations
One can encounter great variation in the spelling of French surnames; in part, as spelling, and the spelling names was not yet standardized during the early development of the written French language. Later, there was much branching and movement of families, and spellings would change according to region. Variations of the name Demars include Marre, Marres, Mar, La Marre, La Mare, La Marres, La Mares, La Mar, Maur, Maure, Maures, Maurre, Maurres, More, Mores, Morre, Mars, Maurs, Moure, Mourre, Merre, Mer, Mere and many more.
Early Notables of the Demars family (pre 1700)
More information is included under the topic Early Demars Notables in all our PDF Extended History products and printed products wherever possible.
In the United States, the name Demars is the 8,309th most popular surname with an estimated 2,487 people with that name.  However, in France, the name Demars is ranked the 3,684th most popular surname with an estimated 1,500 - 2,000 people with that name. 
| Demars migration to the United States ||+|
Approximately 110 years after the first landings by Cartier, there were only about 300 people in Quebec. France gave land incentives for 2,000 migrants during the next decade. 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. Migration to New France (Quebec) continued from France until it fell in 1759. In the year 1675 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 Demars 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 Demars were
Demars Settlers in United States in the 18th Century
- Thomas Demars, aged 19, who arrived in Louisiana in 1719 
- Jean DeMars, who landed in Pennsylvania in 1741 
|Contemporary Notables of the name Demars (post 1700) ||+|
- William Lester "Billy" DeMars (1925-2020), American shortstop and coach in Major League Baseball from Brooklyn, New York
- Lewis DeMars, American Democratic Party politician, Democratic-Farmer-Labor Candidate for U.S. Representative from Minnesota 3rd District, 1990 
- Caron DeMars, American Republican politician, Candidate in primary for Texas State House of Representatives 123rd District, 1996 
- Cleveland, Dutchess of The Battle Abbey Roll with some Account of the Norman Lineages. London: John Murray, Abermarle Street, 1889. Print. Volume 2 of 3
- The Norman People and Their Existing Descendants in the British Dominions and the United States Of America. Baltimore: Genealogical Publishing, 1975. Print. (ISBN 0-8063-0636-X)
- Williams, Dr Ann. And G.H. Martin, Eds., Domesday Book A Complete Translation. London: Penguin, 1992. Print. (ISBN 0-141-00523-8)
- "What are the 5,000 Most Common Last Names in the U.S.?". NameCensus.com, https://namecensus.com/last-names/
- Filby, P. William, Meyer, Mary K., Passenger and immigration lists index : a guide to published arrival records of about 500,000 passengers who came to the United States and Canada in the seventeenth, eighteenth, and nineteenth centuries. 1982-1985 Cumulated Supplements in Four Volumes Detroit, Mich. : Gale Research Co., 1985, Print (ISBN 0-8103-1795-8)
- The Political Graveyard: Alphabetical Name Index. (Retrieved 2016, January 15) . Retrieved from http://politicalgraveyard.com/alpha/index.html