BACKSTORY-The Sullivan Mansion Still Impresses - Casper, WY Oil City News
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BACKSTORY-The Sullivan Mansion Still Impresses

Senator Patrick Sullivan Home in the early-1900s, 10th and Center Streets, Casper. (Casper College Western History Center)

One of the most stately historic mansions in central Casper has sat on the corner of 10th and Center Streets since it was built in 1909.

The impressive 7,500 square foot red brick mansion was built for sheep rancher and businessman Patrick Sullivan. It is still a private residence which on the outside, aside from a tasteful enclosure on part of the front porch, still looks remarkably similar to historic photos.

Sullivan served as Wyoming’s Senator from 1900 to 1918, and as a U.S. Senator in 1929.

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“Joseph Carey, owner of the CY Ranch, gave Sullivan the three lots this estate sits on,” according to information in a walking tour booklet produced by the Casper Historic Preservation Commission. “Cary’s only stipulation was that Sullivan build and outstanding home to attract other home owners,” continues the booklet.

According to information at the United States Congress, Sen. Sullivan was a Republican who served for roughly one year in the U.S. Senate after the death of Francis E. Warren. Sullivan, who immigrated from Ireland, only served until a candidate was elected. Sullivan then went back to his businesses until his death on April 8, 1935.

The Sullivan Mansion on the corner of 10th and Center has been a Casper landmark since the early-1900s. (Dan Cepeda, Oil City)
A historically senstitive porch enclosure that was added in the past couple of decades is seen at the right of the Sullivan Mansion in central Casper. (Dan Cepeda, Oil City)
The east facing side of the Sullivan Mansion features unique curved architecture. (Dan Cepeda, Oil City)