The surname Cosnihan 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.
This web page shows only a small excerpt of our Cosnihan research. Another 92 words (7 lines of text) covering the years 185 and 1856 are included under the topic Early Cosnihan History in all our PDF Extended History products and printed products wherever possible.
More information is included under the topic Early Cosnihan Notables in all our PDF Extended History products and printed products wherever possible.
Migration of the Cosnihan 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..