Can anyone name all the biblical precedents for having clergy preside at a wedding? How about texts portraying Jesus as saying this was an issue we should be concerned about? There have to be some, right? Otherwise, why would all these celibate males be poking their noses into something that's none of their business? 

The idea of Matrimony as a Sacrament has deeper roots in the medieval practice of having clergy, acting as local notaries, record weddings than it does in biblical tradition.