We noticed that you're using an unsupported browser. The TripAdvisor website may not display properly.We support the following browsers:
Windows: Internet Explorer, Mozilla Firefox, Google Chrome. Mac: Safari.

“Intimate setting. Excellent service. Outstanding delicous food. Wonderful wine selection.”
Review of The Mansion

The Mansion
Ranked #8 of 105 Restaurants in O'Fallon
Certificate of Excellence
Price range: US$28 - US$55
Cuisines: Seafood, Steakhouse
More restaurant details
Restaurant details
Dining options: Reservations
Description: We are seafood, steak and pasta restaurant with creative feature dishes. Jerry Conway is the co-owner and executive chef at The Mansion. He has worked at many fine dining establishments in his 25 years of being a chef, most notably he owned and operated The Cypress Room in Crystal River Florida and was an executive chef at Disney World. At Disney he was in charge of Epcot, The Magic Kingdom, The Royal Floridian and Disney's annual Wine and Cheese Festival. Chef Conway has had several recipes patented and became famous for his Sicilian Steak and Shea-Crab Soup at The Cypress Room, both of which are offered as Specials at The Mansion. The Mansion was built in 1857 by A.J. Wastfield, an independently wealthy farmer who built it for his fiance Elisie Osbourn of Lebanon. AJ's passion was politics, Abraham Lincoln was their most notable guest at their home. The Mansion was a stop on the underground railroad, the removable stairs that lead to the widows peak still remain as a reminder. At the age of 37 tragedy struck when A.J. Was fatally injured in a threshing machine accident on Nov. 15, 1866. He was survived by his wife and two young children, Walter and Julia. Elisie and her children continued to live in the Mansion for many years. The Mansion is currently owned and operated by Kathy Cox and Jerry Conway. The Mansion received a St. Clair County Landmark Award in 1963 from the St. Clair County Historical Society. Please come by and see what we have to offer, you will be glad you did! We are very proud of The Mansion and the history behind it. If you are interested in a short tour of The Mansion after your meal, please ask your server.
Reviewed 5 October 2017

The intimate atmosphere is a wonderful backdrop to the delicious food that Chef Jerry creates.
The melt-in-your-mouth steaks are amazing and done to perfection and served with equally perfect sides. As a person who normally doesn’t eat red meat after having Chef Jerry’s NY Strip and Filet Mignon I am converted to eating steaks…well at least at The Mansion anyway.
The service is outstanding and Anthony will take care of recommending the best choice for fine wine to pare with your meal.
This is a perfect place for anniversaries, birthdays or anytime you want to have the perfect steak.
We have enjoyed the times that we’ve dined at The Grille at the Mansion and look forward to going back soon.

    • Value
    • Service
    • Food
Thank plbn1545
This review is the subjective opinion of a TripAdvisor member and not of TripAdvisor LLC
Write a ReviewReviews (89)
Traveller rating
Traveller type
Time of year

6 - 10 of 89 reviews

Reviewed 3 October 2017

My husband and I just got married here a couple of weeks ago, and the Mansion did all of the food and drinks for us (minus the cake). The food was far above and beyond your typical wedding food! Chef Jerry "doesn't do cookie cutter weddings" and he made sure we had some unique options (like salmon with a spicy cajun sauce to pay tribute to my husband's New Orleans roots). The tasting we had to decide our menu was probably my favorite part of the whole wedding planning experience. It was so hard to decide because everything was delicious! My husband and I live in Texas, but we plan to visit and have dinner at The Mansion any time we come back to the St. Louis area to visit my family.

    • Value
    • Service
    • Food
Thank amymgoldstein90
This review is the subjective opinion of a TripAdvisor member and not of TripAdvisor LLC
Reviewed 6 September 2017

Food was okay, peeps serving were average, the atmosphere was so-so. Place could use a refresh and more/updated menu.

    • Value
    • Service
    • Food
Thank Julianna_Traveler
This review is the subjective opinion of a TripAdvisor member and not of TripAdvisor LLC
Reviewed 13 August 2017

We travel and eat out all over the country and in Europe. The experience and the food we just had at the mansion is as good or better then any place we have been to. They make you feel so welcome like we are with family. Our server and service was better then we have had at most restaurants, totally exceeded expectations of what service should be; attentive to our needs to make us feel like they care about our experience but not over bearing. The food was amazing, large portions, so you feel like you got great value, it is obvious they are passionate about the food and take great pride in what they serve. Also as a side note if you like history ask for a tour of the mansion it will blow you away when you hear the stories and see the entire place.

    • Value
    • Service
    • Food
Thank Keith G
This review is the subjective opinion of a TripAdvisor member and not of TripAdvisor LLC
Reviewed 12 July 2017 via mobile

My daughter had her wedding at this wonderful place! The Mansion is a beautiful, historic place that is enhanced by the wonderful staff. They were very professional, knowledgeable, helpful, and and always available, when we needed them. They're ability to answer all of our questions greatly smoothed out the rough edges, and put us at ease. The prices are reasonable and everyone raved about the delectable food. Thanks to the Mansion's mgmt and staff for helping to make my daughter's wedding beautiful, memorable, and perfect! I highly recommend the Mansion!!!!

Thank Roam22520
This review is the subjective opinion of a TripAdvisor member and not of TripAdvisor LLC
Kathy C, Owner at The Mansion, responded to this reviewResponded 14 July 2017

Thank you so much for the great review. We are so fortunate to have the staff we do. They are great people and really do care about everyone who comes in. I will share this with both the front and back of the house. They will appreciate your review as much as I do!

Thanks again,


Report response as inappropriate
This response is the subjective opinion of the management representative and not of TripAdvisor LLC

Been to The Mansion? Share your experiences!

Write a Review Add Photos & Videos

Owners: What's your side of the story?

Own or manage this property? Claim your listing for free to respond to reviews, update your profile and much more.

Claim Your Listing