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KOSCHUSKO, HELEN was born 27 July 1908, received Social Security number 171-01-6229 (indicating Pennsylvania) and, Death Master File says, died May 1979
Source: Death Master File (public domain). Check
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KOSCHUSKO, JOHN was born 28 January 1906, received Social Security number 381-10-1995 (indicating Michigan) and, Death Master File says, died April 1964
Source: Death Master File (public domain). Check
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KOSCHUSKO, MARY was born 2 March 1904, received Social Security number 198-03-0830 (indicating Pennsylvania) and, Death Master File says, died January 1983
Source: Death Master File (public domain). Check
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KOSCHUSKO, MARY S. was born 8 January 1905, received Social Security number 181-01-8269 (indicating Pennsylvania) and, Death Master File says, died 10 March 1998
Source: Death Master File (public domain). Check
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