The surname Cosnahan was first found in West Prussia, Poland and Pomerelia, where the name emerged in mediaeval times as one of the notable families in the western region. From the 13th century onwards the surname was identified with the great social and economic evolution which made this territory a landmark contributor to the development of the nation.
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Early History of the Cosnahan family
This web page shows only a small excerpt of our Cosnahan research. Another 92 words (7 lines of text) covering the year 1856 is included under the topic Early Cosnahan History in all our PDF Extended History products and printed products wherever possible.
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Cosnahan Spelling Variations
Spelling variations of this family name include: Kozmian, Cosnahan, Cosnian, Coznian, Koznian, Cosnihan, Koznihan, Kozaryn and many more.
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Early Notables of the Cosnahan family
Notable figures of the period with the name Cosnahan were
the Cosnahan family of West Prussia
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Migration of the Cosnahan family
Some of the first settlers of this family name or some of its variants were: settlers who traveled to the New World and established themselves along the eastern seaboard of the United States and Canada in the 18th and 19th centuries..
Germany
