The National Archives, Capital Plains Region, in Kansas City, offers a free online name index to the Inmate Case Files of the U.S. Penitentiary in Leavenworth, Kansas from 1895 to 1931. With the name and inmate number from the online index you can request a copy of the inmate case file, most of which contain additional information on the inmate, plus a mug shot.
Search the online name index to the Nevada State Prison Inmate case files for prisoner records dating from 1863 to 1972. Copies of the actual records can be ordered from the Nevada State Archives if the former inmate is deceased and at least 30 years have passed since the close of the file. Prisoner records that don't meet this criteria are confidential and restricted by state law.
Two free online databases from the Tennessee State Library and Archives (TSLA) -- Inmates of the Tennessee State Penitentiary, 1831-1850 and Inmates of the Tennessee State Penitentiary, 1851-1870 -- include the prisoner name, age, crime and county. Additional information, including the prisoner's state of birth, the date received in the Penitentiary and the date of discharge is available up to 1870 from the TSLA via an email request. You will be notified of the cost to make a copy of the records once they are located.
Search extracts from the Record of Penitentiary Convicts of nearly 10,000 inmates housed in the Walla Walla State Penitentiary in Washington State from 1887-1922. Copies of the inmates’ files, available from the Washington State Archives, may include additional details such as parents' birthplace, children, religion, military service, marital status, photographs, physical description, education, names of nearest relatives, and court records. Indexes to early county Court Records of Washington Territory are also available online.