Sieckowski Genealogy

About 20 Sieckowskis.

WikiTree is a community of genealogists — including 1 Sieckowski genealogists and amateur family historians — dedicated to growing an accurate collaborative family tree that's 100% free and accessible to everyone forever.   Please join us.


Here are the 20 most-recently added or edited Sieckowski members, cousins, and ancestors. Click here to search all 20.

1894 - 1957 / managed by David Holmer / last edited 18 May 2022
01 Sep 1925 Michigan, United States - 12 Dec 2005 / last edited 29 Apr 2021
1860 Poland / managed by Matt Sanders / last edited 15 Feb 2020
24 Jun 1902 Poland - 17 Aug 1963 / managed by Matt Sanders / last edited 15 Feb 2020
1918 - abt 2018 / managed by David Holmer / last edited 17 Jan 2019
1917 - abt 2017 / managed by David Holmer / last edited 17 Jan 2019
1960s Privacy Level: Private with Public Biography and Family Tree (Yellow) managed by Alicia Sieckowski / last edited 7 Dec 2017 / Active member110
1920s - 2010s Privacy Level: Private with Public Biography and Family Tree (Yellow) managed by Alicia Sieckowski / last edited 12 Feb 2017
- 2010s Privacy Level: Private with Public Biography and Family Tree (Yellow) managed by Alicia Sieckowski / last edited 2 Jul 2015



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