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KOCZUROWICZ, CASIMIR was born 20 August 1915, received Social Security number 326-09-4381 (indicating Illinois) and, Death Master File says, died February 1984
Source: Death Master File (public domain). Check
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KOCZUROWICZ, HELEN was born 26 September 1918, received Social Security number 343-16-1347 (indicating Illinois) and, Death Master File says, died 8 August 1996
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KOCZUROWICZ, HENRY was born 2 May 1908, received Social Security number 349-10-3977 (indicating Illinois) and, Death Master File says, died April 1983
Source: Death Master File (public domain). Check
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KOCZUROWICZ, MARY was born 1 October 1888, received Social Security number 329-24-4524 (indicating Illinois) and, Death Master File says, died April 1967
Source: Death Master File (public domain). Check
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