Show ContentsTreat History, Family Crest & Coats of Arms

The oldest instances of the Treat surname in Ireland come from an Anglicized form of the Gaelic Ó Treasaigh, or "descendant of Treasach," a personal name meaning "warlike," "fierce." However, many of the surname Treat come from Anglo-Norman roots, from the large category of Anglo-Norman habitation names, which are derived from pre-existing names for towns, villages, parishes, or farmsteads.

Early Origins of the Treat family

The surname Treat was first found in Devon, where they were Lords of Barnstaple, descended from a famous Norman family from Tracy near Vire in Carne in Normandy. William Tracey was a natural son of Henry I, and his descendant, Henry Tracey received from King Stephen the Barony of Barnstaple. His descendant, William Tracy, in 1170, was one of the murderers of Thomas A Becket, Archbishop of Canterbury.

Early History of the Treat family

This web page shows only a small excerpt of our Treat research. Another 97 words (7 lines of text) covering the years 1172, 1643 and 1648 are included under the topic Early Treat History in all our PDF Extended History products and printed products wherever possible.

Treat Spelling Variations

Names were simply spelled as they sounded by medieval scribes and church officials. Therefore, during the lifetime of a single person, his name was often spelt in many different ways, explaining the many spelling variations encountered while researching the name Treat. Some of these variations included: Tracey, Tracy, Treacy, Trassey, Trasey, O'Tracy, O'Trasey, Tracye and many more.

Early Notables of the Treat family

Another 28 words (2 lines of text) are included under the topic Early Treat Notables in all our PDF Extended History products and printed products wherever possible.

Treat Ranking

In the United States, the name Treat is the 4,953rd most popular surname with an estimated 4,974 people with that name. 1


United States Treat migration to the United States +

The Irish emigration during the late 18th and 19th century contributed to the melting pot of nationalities in North America, and the building of a whole new era of industry and commerce in what was seen as a rich, new land. Ireland'sGreat Potato Famine resulted in the worst economic and social conditions in the island's history. And in response to the hunger, disease, and poverty, during this decade the total number of emigrants to leave for North America rivaled all the previous years combined. Those from this decade that arrived on North American shores were not warmly welcomed by the established population, but they were vital to the rapid development of the industry, agriculture, and infrastructure of the infant nations of the United States and what would become Canada. Research into early immigration and passenger lists has shown many people bearing the name Treat:

Treat Settlers in United States in the 17th Century
  • Richard Treat, who landed in Watertown, Massachusetts in 1635 2
  • Robert Treat, who arrived in New Haven, Connecticut in 1659 2
  • Samuel Treat, who landed in New England in 1669 2

Contemporary Notables of the name Treat (post 1700) +

  • John Whittier Treat, American Professor of East Asian Languages and Literature at Yale University
  • Casey Treat (b. 1955), American pastor, teleevanglist, author and motivational speaker
  • Charles Herbert "Herb" Treat (1900-1947), American football player
  • Lawrence Treat (1903-1998), American mystery writer
  • Samuel H. Treat (1815-1902), United States federal judge
  • Roger Treat (1906-1969), American sportswriter and author
  • Richard Treat (1584-1669), early American New England settler and a Patentee of the Royal Charter of Connecticut
  • Robert Treat (1622-1710), American colonial leader, militia officer and governor of Connecticut
  • Robert Treat Paine (1731-1814), American signer of Declaration of Independence
  • John Treat Irving (1778-1838), American politician, Member of New York State Assembly from New York County, 1816-17, 1818-20; Common Pleas Court Judge in New York, 1821-38 3


  1. "What are the 5,000 Most Common Last Names in the U.S.?". NameCensus.com, https://namecensus.com/last-names/
  2. 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)
  3. The Political Graveyard: Alphabetical Name Index. (Retrieved 2015, October 28) . Retrieved from http://politicalgraveyard.com/alpha/index.html


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