Jain History, Family Crest & Coats of Arms
The Jain surname is a patronymic name created from the personal name Jan, which was a Middle English variant of the name John, or as "son of Jan." 
Early Origins of the Jain family
The surname Jain was first found in Worcestershire, where they held a family seat from very early times. They were also found early in Cornwall, where a record in the Ministers' Accounts of the Earldom of Cornwall shows a Simon Ianes in 1297. A John Janne was listed in the Subsidy Rolls for Cornwall in 1327, and a William Jan was listed in the Subsidy Rolls of Somerset in that same year. 
Kirby's Quest listed Robert Janes and William Janes, both in Somerset temp. 1 Edward III. 
Jane or Johanna (d. 1445), Queen of Scotland, "was the daughter of John Beaufort, earl of Somerset. Her mother was Margaret, daughter of Thomas Holland, second earl of Kent [q. v.], and niece of Richard II, who became after her first husband's death Duchess of Clarence. James I, King of Scotland, when a prisoner at Windsor, saw her walking in the garden of the castle, fell in love at first sight, and wrote the story of his love in the ‘Kingis Quair.’ The marriage, which suited the English rulers, and was made one of the conditions of his release, took place at St. Mary Overy Church in Southwark on 12 Feb. 1424. " 
Early History of the Jain family
This web page shows only a small excerpt of our Jain research. Another 156 words (11 lines of text) covering the years 1438, 1499, 1716, 1275, 1510, 1620, 1500, 1480, 1499, 1500, 1449, 1600, 1660, 1621, 1625, 1625, 1640, 1643, 1611, 1662, 1611, 1660, 1645, 1707 and 1680 are included under the topic Early Jain History in all our PDF Extended History products and printed products wherever possible.
Jain Spelling Variations
A multitude of spelling variations characterize Norman surnames. Many variations occurred because Old and Middle English lacked any definite spelling rules. The introduction of Norman French to England also had a pronounced effect, as did the court languages of Latin and French. Therefore, one person was often referred to by several different spellings in a single lifetime. The various spellings include Janes, Jans, J'Anes, Jeanne, Jeynes, Jayne, Jane and many more.
Early Notables of the Jain family (pre 1700)
Outstanding amongst the family at this time was Thomas Jane (Jan) (died 1500), English clergyman, Archdeacon of Essex (1480), Bishop of Norwich (1499-1500.) He was born at Milton Abbas, Dorsetshire, and educated at Winchester School, where he became a scholar in 1449. 
Joseph Jane (fl. 1600-1660), controversialist, was sprung of an old family which had long been influential in Liskeard, Cornwall. His father was mayor there in 1621, and in 1625 Jane represented the borough in parliament. In 1625 he was himself mayor of Liskeard, and...
In the United States, the name Jain is the 12,403rd most popular surname with an estimated 2,487 people with that name. 
Migration of the Jain family
Many English families left England, to avoid the chaos of their homeland and migrated to the many British colonies abroad. Although the conditions on the ships were extremely cramped, and some travelers arrived diseased, starving, and destitute, once in the colonies, many of the families prospered and made valuable contributions to the cultures of what would become the United States and Canada. Research into the origins of individual families in North America has revealed records of the immigration of a number of people bearing the name Jain or a variant listed above: Mary and Thomas Janes, who settled in Virginia in 1652; Joseph Janes, who arrived in Northampton, MA in 1658; Joane Janes, who arrived in Maryland in 1667.