Ancestry.com has pension records for both William H Blair and his widow (2nd wife) Amelia Blair of Escambia County, AL. To access on line you need to have a subscription to ancestry.com. If you are near a LDS Family History Center you can go there and access the records. Also, many local libraries have links to the LDS records.
Go to this site, type in your city and state, and you should find the nearest locations listed: https://familysearch.org/locations/