George Carter Whitmore Mansion, Historical residence in Nephi, United States.

The George Carter Whitmore Mansion is a house in Nephi, Utah, built in 1898 and designed by architect Oscar Booth in the Queen Anne and Eastlake styles. It was home to banker and state senator George Carter Whitmore, his wife Mary Elizabeth Hague and their eight children until his death in 1917.

Wealthy banker George Carter Whitmore built this mansion in 1898 during a period of economic growth in Nephi. The house was completed as he expanded his business interests and later served in the state senate from 1900 to 1908.

The house was built for George Carter Whitmore, founder of the First National Bank of Nephi, who lived here with his wife Mary Elizabeth Hague and their eight children until his death in 1917. The property then passed to their son George M. Whitmore. The design by architect Oscar Booth combines Queen Anne and Eastlake elements.

The mansion is located on South Main Street in downtown Nephi on the western side of the commercial district and is easily reached on foot. It stands visible from the street, and the area provides convenient parking for visitors exploring the neighborhood.

George Carter Whitmore, his wife Mary Elizabeth Hague and their eight children lived in the house until his death in 1917; it then passed to his son George M. Whitmore. The family's bank, the First National Bank of Nephi, was founded by Whitmore himself.