The surname Longstreth was first found in Wiltshire where the first record of the family was Walter de Langestret who was listed in the Assize Rolls of Wiltshire in 1249. The name literally means "dweller by the long road from the Old English words "lang" + "straet."  Another source claims the name was " 'of the lang strother,' i.e. the long marsh, a North-English and Border name. 
This web page shows only a small excerpt of our Longstreth research. Another 92 words (7 lines of text) covering the years 1206, 1448, 1450, 1676 and 1887 are included under the topic Early Longstreth History in all our PDF Extended History products and printed products wherever possible.
^ Reaney, P.H and R.M. Wilson, A Dictionary of English Surnames. London: Routledge, 1991. Print. (ISBN 0-415-05737-X)
^ Bardsley, C.W, A Dictionary of English and Welsh Surnames: With Special American Instances. Wiltshire: Heraldry Today, 1901. Print. (ISBN 0-900455-44-6)
^ 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)