The Greene Co, MO Recorder of Deeds has a database on their web site of Greene Co marriages.
http://www.greenecountymo.org/recorder/marrmalename.phpgroom: MUNHOLLAN WILLIAM A
bride: CLEVENGER LIZZIE license#/date: 000509-1903
groom: SAPPINGTON CLELL C
bride: CLEVENGER MARY license#/date: 000630-1903