Jackson County Clerk’s Office to Offer Online Marriage Application Service Wednesday, August 3, 2016 Jackson County Clerk’s Office to Offer Online Marriage Application Service MEDFORD, OREGON — (August 3, 2016) — The Jackson County Clerk’s office has announced an innovative online marriage application service for those wishing to purchase a marriage license in Jackson County. The online service provides customers with a more convenient and faster way to apply in the convenience of their own home.