Searching for an inmate at the Multnomah County Jail? You can use this link to the Search Bookings Page.
Note the default pull down menu is 'Persons Currently in Custody' but there are a lot of other options. You can click 'Search' without putting a name in and get a list of everyone in the jail.
you can review:
Multnomah Sheriff's Department
Corrections page will answer most of your questions about the department.
Multnomah County Court
Return from Multnomah Jail to Oregon Inmates
Return from Multnomah County Jail to The Free Inmate Locator