Looking for Sarah Elizabeth Harp

Sarah Elizabeth harp where and when was she born?

Find A Grave Index
Name: Sarah Elizabeth Harp
Event Type: Burial
Event Date: 1923
Event Place: Covington, Hill, Texas, United States of America
Birth Date: 15 Jun 1860
Death Date:26 Jan 1923
Affiliate Record Identifier: 67090539
Cemetery: Covington Cemetery

Spouse:
James Franklin Harp (1860 - 1947)*

http://www.findagrave.com/cgi-bin/fg.cgi?page=gr&GRid=67090539

Find A Grave Index
Name: James Franklin Harp
Event Type: Burial
Event Date: 1947
Event Place: Covington, Hill, Texas, United States of America
Birth Date: 12 Oct 1860
Death Date: 12 Oct 1947
Affiliate Record Identifier: 67090816
Cemetery: Covington Cemetery

Spouse:
Sarah Elizabeth Harp (1860 - 1923)

http://www.findagrave.com/cgi-bin/fg.cgi?page=gr&GRid=67090816

I cannot find a marriage to find Sarah Elizabeth's maiden name