Dear Ms. Davis-Long,
Thank you for posting your request on History Hub!
For retired inmate records of the U.S. Penitentiary in Lewisburg, please contact Lindsey George; Records manager; Bureau of Prisons; 400 First Street, NW - Room 6009; Washington, DC 20534. Her email address is LEIza@bop.gov. Please request the name of the facility, transfer numbers, and box numbers where the records are stored.
We hope this is helpful. Best of luck with your family research!