Mary Koestler died on April 18, 1964 in San Francisco County, California.
Her mother's maiden name was Shouleid.
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California Death Index1940–1997
Mary Koestler
- Died
- April 18, 1964
- Born
- Not recorded
- County of death
- San Francisco County
- Birthplace
- Not recorded
- Sex
- female
- Mother's maiden name
- Shouleid