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- [S57847] 1920 census, Kansas, Pratt county, Year: 1920; Census Place: Grant, Pratt, Kansas; Roll: T625_545; Page: 7B; Enumeration District: 149 (Reliability: 3).
- [S53634] Death index, California, (Ancestry.com. California, Death Index), Name: Ralph Dillard Jenkins Social Security #: 525010381 Gender: Male Birth Date: 16 Mar 1913 Birth Place: Oklahoma Death Date: 27 Oct 1988 Death Place: San Bernardino Mother's Maiden Name: Spaulding (Reliability: 3).
- [S53585] SSDI: Social Security Death Index, Name: Ralph D. Jenkins SSN: 525-01-0381 Last Residence: 92284 Yucca Valley, San Bernardino, California, USA BORN: 16 Mar 1913 Died: 27 Oct 1988 State (Year) SSN issued: New Mexico (Before 1951) (Reliability: 3).
- [S43492] 1930 census, Oregon, Multnomah county, Year: 1930; Census Place: Portland, Multnomah, Oregon; Page: 4A; Enumeration District: 0195 (Reliability: 3).
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