©2018 by The Mansion 1857


1680 Mansion Way

O'Fallon, IL 62269



Effective July 2019, The Mansion will only be open for parties 20 or larger, please email for information

Large party reservations are still available Tuesday and Wednesday by request

Phone(618) 624-0629

Location & Hours

We'd love to hear from you!

Make Your Reservation 

Contact Information

Kathy Cox (Event Coordinator/Owner) ~ Kathy@themansion1857.com

Jerry Conway (Executive Chef/Owner) ~ Jerry@themansion1857.com