Thank you for posting your request on History Hub!
You did not specify which records you are searching for, so we went ahead and conducted a cursory search using the terms you provided.
We entered the name John Staley into the search box for the National Archives and Records Administration Catalog at Catalog.archives.gov and received 21 results. You can view these results here: https://catalog.archives.gov/search?q=%22John%20Staley%22
We then entered the second name you provided, Caroline Lane into the search box for the National Archives and Records Administration and received 21 results. You can view these results here:
If you are searching for military records for John Staley you can locate Older military personnel records (generally prior to 1917) are on file at:
Textual Archives Services Division
Washington, DC 20408
These records may or may not relate to the individual's you are specifically researching.
We also suggest that you can review the FamilySearch Research wiki on Allegheny County, Pennsylvania Genealogy. https://www.familysearch.org/wiki/en/Allegheny_County,_Pennsylvania_Genealogy Family Search is free to use but requires a Login and Password to access more information.
The contact information for the Allegheny County Courthouse and Clerk is
Allegheny County Courthouse
436 Grant St.
Pittsburgh, PA 15219
Phone: (412) 350-6500
Orphan's Court Phone: (412)350-5550
Department of Court Records Phone: (412)350-4200
Finally, using FamilSearch.org we located multiple entries for John Staley in the FamilySearch.org service. You can view the results at this link.
We hope this is helpful. Best of luck with your research!