Sources |
- [S3] California Birth Records.
- [S6] 1920 US Census.
Census place: Berkeley, Alameda, California
- [S11] 1930 US Census, Portland (Districts 271-553), Multnomah, Oregon.
Robert W. Kupfer | age: 16 | single | bp: California | father’s bp: Iowa | mother’s bp: Ohio
- [S7] 1940 US Census, Tract 14, Portland, Portland City Election Precinct 127, Multnomah, Oregon.
Robert Kupfer | age: 26 | married | bp: California
- [S55] Oregon Death Index, 1903-1998, Certificate 94-27284.
Robert Whitney Kupfer | d: 27 Dec 1944 | place: Washington, Oregon | b: 1 Aug 1913 | spouse: Virgin Kupfer
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