Halloween is a tradition of celebration the night of October 31, and especially celebrated in the United States. This tradition comes from Ireland, and taken by the Irish who emigrated to North America.
You celebrate the wedding coincided with Halloween it would be appropriate if the wedding theme of Halloween, some of our Halloween wedding cakes wedding cakes serve as a reference to Halloween you might like.

Black cake three tiers of red roses decorated with a bride and groom toppers skull

Wedding cake round four levels with a slightly different shape than normal with spooky impression

A pair of typical bride doll for halloween wedding cake toppers