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People named Leon Kostkowski
Below are 2 people with the first name Leon and the last name Kostkowski. Try the Kostkowski Family page if you can't find a particular Collaborative Biography in your family tree.
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2 Leon Kostkowski Biographies
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Leon J Kostkowski of Ridgely, Caroline County, MD was born on November 10, 1974, and died at age 17 years old in July 1992.
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Similar Kostkowski names
Kostkowski biographies alphabetically beginning with Agnes and ending with Tillie Kostkowski.
Agnes Kostkowski (Oct 9, 1890 - Mar 1972)
Catherine Kostkowski (Nov 14, 1897 - Jun 1987)
Helen Kostkowski
Jeanne Kostkowski (May 16, 1926 - Dec 11, 2000)
Josef Kostkowski (Mar 19, 1891 - Jun 1962)
Joseph Kostkowski
Josephine Kostkowski (Mar 8, 1904 - Sep 1987)
Judy Kostkowski (Feb 16, 1945 - Sep 1981)
Julianna Kostkowski (Jun 20, 1907 - Dec 1984)
Julius Kostkowski (Oct 19, 1894 - Jul 1975)
Leo Kostkowski
Leon Kostkowski
Mary Kostkowski (Mar 14, 1876 - Sep 1968)
Matilda Kostkowski (Apr 28, 1917 - Apr 8, 2007)
Philip Kostkowski (May 7, 1943 - Nov 26, 2010)
Raymond Kostkowski (Dec 28, 1912 - Feb 12, 1989)
Robert Kostkowski (Feb 19, 1904 - Feb 1987)
Theresa Kostkowski (Sep 5, 1928 - Apr 27, 2011)
Thomas Kostkowski (Dec 20, 1918 - Feb 1995)
Tillie Kostkowski (Dec 20, 1896 - Aug 1983)