Show ContentsJernyn History, Family Crest & Coats of Arms

The name Jernyn is rooted in the ancient Norman culture that arrived in England after the Norman Conquest of England in 1066. It was a name for someone who was a person of German descent, or a person who was associated with that country through trade or other means. Another derivation of the name suggests that it derives from the Old French given name Germain. This name was borne by a popular French saint from the 5th century, and also meant of the same stock, or related to.

Germanus (378?-448), was "Bishop of Auxerre, and missionary to Britain, son of noble parents whose names are given as Rusticus and Germanilla, was born at Auxerre about 378, and after attending schools in Gaul went to study at Rome. " 1

Jernyn is a classic example of an polygenetic surname, which is a surname that was developed in a number of different locations and adopted by various families independently.

Early Origins of the Jernyn family

The surname Jernyn was first found in Essex where Jerman filius Willelmi was listed in the Feet of Fines for 1248. 2 However, Germanus was earlier listed in the Domesday Book of 1086. 3

Early History of the Jernyn family

This web page shows only a small excerpt of our Jernyn research. Another 141 words (10 lines of text) covering the years 1066, 1086, 1248, 1250, 1279, 1318, 1377, 1397, 1402, 1650, 1680, 1718, 1738 and 1769 are included under the topic Early Jernyn History in all our PDF Extended History products and printed products wherever possible.

Jernyn Spelling Variations

Endless spelling variations are a prevailing characteristic of Norman surnames. Old and Middle English lacked any definite spelling rules, and the introduction of Norman French added an unfamiliar ingredient to the English linguistic stew. French and Latin, the languages of the court, also influenced spellings. Finally, Medieval scribes generally spelled words according to how they sounded, so one person was often referred to by different spellings in different documents. The name has been spelled German, Germans, Jermain, Jarman and others.

Early Notables of the Jernyn family

Outstanding amongst the family at this time was Robert German (died 1402), English politician, Member (MP) of the Parliament of England for Nottingham from 1377 to 1397. Sir John Germain, 1st Baronet (1650-1718), was a British soldier and politician, thought to have been an illegitimate half-brother of William III of England. "His mother, who was very handsome, is stated to have been that prince's mistress, and Germain is said to have assumed 'as his seal and armorial bearing' a red cross, implying pretensions to exalted...
Another 84 words (6 lines of text) are included under the topic Early Jernyn Notables in all our PDF Extended History products and printed products wherever possible.

Ireland Migration of the Jernyn family to Ireland

Some of the Jernyn family moved to Ireland, but this topic is not covered in this excerpt. More information about their life in Ireland is included in all our PDF Extended History products and printed products wherever possible.

Migration of the Jernyn family

To escape the political and religious persecution within England at the time, many English families left for the various British colonies abroad. The voyage was extremely difficult, though, and the cramped, dank ships caused many to arrive in the New World diseased and starving. But for those who made it, the trip was most often worth it. Many of the families who arrived went on to make valuable contributions to the emerging nations of Canada and the United States. An inquiry into the early roots of North American families reveals a number of immigrants bearing the name Jernyn or a variant listed above: Thomas German who landed in Maryland in 1654; John German settled in Pennsylvania, with his wife Margaret, and two daughters, in 1683; Thomas German settled in Maryland in 1660.



  1. Smith, George (ed), Dictionary of National Biography. London: Smith, Elder & Co., 1885-1900. Print
  2. Reaney, P.H and R.M. Wilson, A Dictionary of English Surnames. London: Routledge, 1991. Print. (ISBN 0-415-05737-X)
  3. Williams, Dr Ann. And G.H. Martin, Eds., Domesday Book A Complete Translation. London: Penguin, 1992. Print. (ISBN 0-141-00523-8)


Houseofnames.com on Facebook