As nouns the difference between sacristan and verger
is that sacristan is the person who maintains the sacristy and the sacred objects it contains while verger is one who carries a verge, or emblem of office.
As nouns the difference between sacristan and sacristanry
is that sacristan is the person who maintains the sacristy and the sacred objects it contains while sacristanry is the duties or position of a sacristan.