The surname Thornthwaite was first found in Yorkshire where they held a family seat as Lords of the Manor of Thornthwaite, in the parish of Hampsthwaite in the West Riding. The Saxon influence of English history diminished after the Battle of Hastings in 1066. The language of the courts was French for the next three centuries and the Norman ambience prevailed. But Saxon surnames survived and the family name was first referenced in Thornthwaite.
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Early History of the Thornthwaite family
This web page shows only a small excerpt of our Thornthwaite research. Another 72 words (5 lines of text) covering the years 1455 and 1487 are included under the topic Early Thornthwaite History in all our PDF Extended History products and printed products wherever possible.
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Thornthwaite Spelling Variations
Spelling variations of this family name include: Thornthwaite, Thornwait, Thornwhite, Thornthwyte, Thornwait, Thornitt and many more.
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Early Notables of the Thornthwaite family
Distinguished members of the family include
Thornthwaite of Thornthwaite
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Thornthwaite migration to the United States
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Some of the first settlers of this family name were:
Thornthwaite Settlers in United States in the 19th Century
Margaret Thornthwaite, aged 32, who immigrated to the United States, in 1892
Harry M. Thornthwaite, aged 21, who immigrated to America, in 1894
Thornthwaite Settlers in United States in the 20th Century
James Falon Thornthwaite, aged 42, who landed in America from Sussex, England, in 1903
Richard Thornthwaite, aged 26, who landed in America from Newcastle on Tyne, England, in 1916
Contemporary Notables of the name Thornthwaite (post 1700)
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Charles Warren "C.W." Thornthwaite (1899-1963), American geographer and climatologist, best known for devising a climate classification system in 1948 that is still in use today
Jane Thornthwaite, Canadian politician, Member of the Legislative Assembly of British Columbia (2009)
Thornthwaite migration to the United States 
England
