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KOOPERBERG, CLAIRE was born 4 May 1909, received Social Security number 550-34-1227 (indicating California) and, Death Master File says, died 22 April 1990
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KOOPERBERG, IRVING was born 31 August 1908, received Social Security number 078-16-5684 (indicating New York) and, Death Master File says, died January 1981
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Kooperberg, Louis was born in 1910 according to a Massachusetts vital record for Boston, Volume 593, Page 35.
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Kooperberg, (Male) was born in 1908 according to a Massachusetts vital record for Boston, Volume 577, Page 381.
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