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An excerpt from www.HouseOfNames.com archives copyright 2000 - 2015

Origins Available: Dutch, Welsh

Where did the Welsh Mulder family come from? What is the Welsh Mulder family crest and coat of arms? When did the Mulder family first arrive in the United States? Where did the various branches of the family go? What is the Mulder family history?

The origins of the Welsh name Mulder go back to the ancient Celtic culture that existed in the hills and Moors of Wales. The forbears that initially held the name Mulder once lived in or near the settlement of Mogridge in the southwestern English county of Devon. The surname Mulder belongs to the category of habitation names, which are derived from pre-existing names for towns, villages, parishes, or farmsteads.


There are relatively few surnames native to Wales, but they have an inordinately large number of spelling variations. Early variations of Welsh surnames can be explained by the fact that very few people in the early Middle Ages were literate. Priests and the few other literate people were responsible for recording names in official documents. And because most people could not specific how to properly record their names it was up to the individual recorder of that time to determine how a spoken name should be recorded. Variations due to the imprecise or improper recording of a name continued later in history when names originally composed in the Brythonic Celtic, language of Wales, known by natives as Cymraeg, were transliterated into English. Welsh names that were documented in English often changed dramatically since the native language of Wales, which was highly inflected, did not copy well. Occasionally, however, spelling variations were carried out according to an individual's specific design: a branch loyalty within the family, a religious adherence, or even patriotic affiliations could be indicated by minor variations. The spelling variations of the name Mulder have included Muggeridge, Mugeridge, Mugridge, Moderidge, Modridge and many more.

First found in Breconshire (Welsh: Sir Frycheiniog), a traditional county in southern Wales, which takes its name from the Welsh kingdom of Brycheiniog (5th-10th centuries), where they held a family seat from very ancient times, some say well before the Norman Conquest and the arrival of Duke William at Hastings in 1066 A.D.


This web page shows only a small excerpt of our Mulder research. Another 147 words(10 lines of text) are included under the topic Early Mulder History in all our PDF Extended History products.


More information is included under the topic Early Mulder Notables in all our PDF Extended History products.


During the latter half of the 19th and the beginning of the 20th century, the people of Wales journeyed to North America to find a new life. They made major contributions to the arts, industry and commerce of both Canada and the United States, and added a rich cultural heritage to their newly adopted societies. A look at the immigration and passenger lists has shown a number of people bearing the name Mulder:

Mulder Settlers in United States in the 17th Century

  • Cornelis Stevens Mulder, aged 21, arrived in New York in 1660
  • Joshua Mulder, who landed in Virginia in 1673

Mulder Settlers in United States in the 18th Century

  • Balthasar Mulder, who arrived in Pennsylvania in 1787

Mulder Settlers in United States in the 19th Century

  • Clara Mulder, aged 4, landed in New York, NY in 1847
  • Aaltje J Mulder, aged 55, arrived in Baltimore, Maryland in 1847
  • Agathe Mulder, aged 28, landed in New York, NY in 1847
  • Gertrude Mulder, aged 43, landed in New York, NY in 1847
  • Lucas Mulder, aged 48, arrived in New York, NY in 1847


  • Mark Alan Mulder (b. 1977), American retired left-handed starting pitcher in Major League Baseball
  • Tyler Mulder (b. 1987), American track and field athlete
  • Dave W. Mulder (b. 1939), American politician, Iowa State Senator
  • Grant R. Mulder, Major General in the United States Air Force
  • Teunis Mulder (b. 1981), is a Dutch track cyclist
  • Youri Mulder (b. 1969), retired Dutch footballer
  • Jan Mulder (b. 1945), Dutch former soccer player and current columnist
  • Jan Mulder (b. 1943), Dutch politician People's Party for Freedom and Democracy
  • Eefke Mulder (b. 1977), Dutch field hockey player
  • Jacobus Cornelius Mulder (b. 1969), former South African rugby union player



The motto was originally a war cry or slogan. Mottoes first began to be shown with arms in the 14th and 15th centuries, but were not in general use until the 17th century. Thus the oldest coats of arms generally do not include a motto. Mottoes seldom form part of the grant of arms: Under most heraldic authorities, a motto is an optional component of the coat of arms, and can be added to or changed at will; many families have chosen not to display a motto.

Motto: Dat deus incrementum
Motto Translation: God gives increase.


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  1. 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).
  2. Magnusson, Magnus. Chambers Biographical Dictionary 5th edition. Edinburgh: W & R Chambers, 1990. Print.
  3. Rowlands, John, John Rowlands and Sheila Rowlands. Welsh Family History: A Guide to Research. Baltimore: Genealogical Publishing, 1999. Print. (ISBN 080631620).
  4. Morgan, T. J. Morgan and Prys Morgan. Welsh Surnames. Cardiff: University of Wales Press, 1985. Print.
  5. Ingram, Rev. James. Translator Anglo-Saxon Chronicle 1823. Print.
  6. Papworth, J.W and A.W Morant. Ordinary of British Armorials. London: T.Richards, 1874. Print.
  7. Robb H. Amanda and Andrew Chesler. Encyclopedia of American Family Names. New York: Haper Collins, 1995. Print. (ISBN 0-06-270075-8).
  8. Chadwick, Nora Kershaw and J.X.W.P Corcoran. The Celts. London: Penguin, 1790. Print. (ISBN 0140212116).
  9. Davies, R. R. The Age of Conquest: Wales, 1063-1415. Oxford: Oxford University Press, 2000. Print.
  10. Fairbairn,. Fairbain's book of Crests of the Families of Great Britain and Ireland, 4th Edition 2 volumes in one. Baltimore: Heraldic Book Company, 1968. Print.
  11. ...

The Mulder Family Crest was acquired from the Houseofnames.com archives. The Mulder Family Crest was drawn according to heraldic standards based on published blazons. We generally include the oldest published family crest once associated with each surname.

This page was last modified on 4 November 2014 at 14:21.

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