You may marry an inmate is many of the institutions. There are some stipulations and requirements. We encourage you to call the chaplain at the facility and ask whether this is allowed there or not. Also, your inmate cannot be a "short-timer" as they will encourage you to wait until they are released. Your will need to file for a marriage license.
https://www.inmateaid.com/ask-the-inmate/can-i-marry-my-boyfriend-what-documents-do-i-need#answer
Accepted Answer Date Created: May 28,2016