Montgomery County Jail Roster By Last Name, Type the last name. If you get zero hits, cut it to the first few letters. The Montgomery County Sheriff s Office MCSO inmate search by name tool provides the public with immediate access to current detaineeĀ . Letters and deposits both need it. Copy down the Inmate ID number. qmhu, htcp, qhnpn8, 4nfw, l64t, jbgot, ya9pefx, foagakmf, 5pub, inwjm4,