Show ContentsKaczynski History, Family Crest & Coats of Arms

The Kaczynski surname is thought to be derived from the Polish root word "kacz," which means "to overturn."

Early Origins of the Kaczynski family

The surname Kaczynski was first found in Poland where bearers of this name and their ancestors have been living since ancient times.

Early History of the Kaczynski family

This web page shows only a small excerpt of our Kaczynski research. Another 120 words (9 lines of text) covering the years 1600, 1648, 1674, 1676 and 1778 are included under the topic Early Kaczynski History in all our PDF Extended History products and printed products wherever possible.

Kaczynski Spelling Variations

Spelling variations of this family name include: Kaczenski, Kaczynski, Kaczyn, Kaczynowski and others.

Early Notables of the Kaczynski family

Prominent among those of the name Kaczynski in this period were

  • Pawel Kaczynski, a Polish Jesuit, who died in Lublinie in 1676

Migration of the Kaczynski family

Some of the first settlers of this family name or some of its variants were: Adam Kaczynski, who arrived in Boston in 1910; Antonina Kaczynski, who was recorded in the 1910 census of Maryland; Jacob Kaczynski, who was recorded in the 1910 census of Maryland.


Contemporary Notables of the name Kaczynski (post 1700) +

  • Theodore John Kaczynski (b. 1942), American terrorist, dubbed the "unabomber" by the media, who sent bombs in the mail
  • Lech Kaczynski (b. 1949), Polish politician, elected president of Poland in 2005
  • Major William H Kaczynski (b. 1970), Instructor in the Department of Mathematical Sciences at the United States Military Academy, West Point


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