If this is the same Sylvia, then the following data would apply from the SSDI:
Sylvia ROZHON
Birth Date: 1 Jan 1895
Death Date: Jun 1975
Social Security Number: 346-03-7175
State or Territory Where Number Was Issued: Illinois
Death Residence Localities ZIP Code: 73110 Localities: Midwest City, Oklahoma, Oklahoma Oklahoma City, Oklahoma, Oklahoma