Same as any other Adult occupation. l8-2l and up. Marriage is for adults. One can argue agains the popular institution of such things as flower girls. This is someting serious, not a parade or carnival stunt. I think the very presence of children at weddings weakens the sacramental gravity. We do not have -say minuteman-costumed juvenile ushers at the court houses, do we? And of course there is the Titanic problem zone of child abuse and the clergy.