Chicago’s Infamous O’Leary Mansion Is For Sale

Includes a dedicated fire hydrant and a secret basement tunnel

Inside the mansion
Inside the O'Leary Mansion.
Realty of Chicago LLC

History has given Catherine O’Leary a raw deal. O’Leary’s name was associated with the Great Chicago Fire of 1871 for over a century, as a cow that she owned was associated with having started it. The city of Chicago later exonerated O’Leary of any wrongdoing. It’s a strange way to go down in history, though stranger ways certainly exist.

One of Mrs. O’Leary’s sons went on to make a fortune from gambling, and used some of his wealth to build a mansion in honor of his mother. Now, that mansion is on the market — and an article by Jamie Nesbitt Golden at Block Club Chicago has more details on both the sale and the building’s history.

Its features include a dedicated fire hydrant outside, a pair of vaults and a basement tunnel — now sealed — that once connected it to another home. (The last of these may be a relic of Prohibition.) The property also includes a coach house.

The mansion encompasses 6,720 square feet, including 18 bedrooms and 10 bathrooms. It’s currently on sale for $535,700. As of 2020, the mansion was described as one that would “require a lot of work to bring it back to its full grandeur.” However, the building retains a great deal of the woodworking that it had when it was first built — an unexpected piece of history in a historic city.

Meet your guide

Tobias Carroll

Tobias Carroll

Tobias Carroll lives and writes in New York City, and has been covering a wide variety of subjects — including (but not limited to) books, soccer and drinks — for many years. His writing has been published by the likes of the Los Angeles Times, Pitchfork, Literary Hub, Vulture, Punch, the New York Times and Men’s Journal. At InsideHook, he has…
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