I don't know if this helps, but it gives her birthdate at 1910:
Name: Louise H Blackstone
Titles and Terms (Original):
Also Known As Name:
2nd Also Known As Name:
3rd Also Known As Name:
Residence Date: 01 Jan 1998
Residence Place: Greenville, South Carolina, United States
Birth Date: 12 Sep 1910
Phone Number:
Phone Number Recorded Date:
Address: 48 McAbee S
Address Continued: Greenville, South Carolina 29601
2nd Address: 48 McAbee
2nd Address Continued: Greenville, South Carolina 29601
2nd Address Date: 01 Jun 1996
3rd Address:
3rd Address Continued:
3rd Address Date:
4th Address:
4th Address Continued:
4th Address Date:
5th Address:
5th Address Continued:
5th Address Date:
6th Address:
6th Address Continued:
6th Address Date:
Possible Relatives:
Record Number: 577150960
Citing this Record:
"United States Public Records, 1970-2009," database, FamilySearch (https://familysearch.org/ark:/61903/1:1:QJZB-CJZ4 : 23 May 2014), Louise H Blackstone, Residence, Greenville, South Carolina, United States; a third party aggregator of publicly available information.
She was still living in 1996...