Mansion Timeline Kearns strikes it rich 1889 Thomas Kearns strikes it rich in Park City, Utah through creating one of the greatest silver and lead mines in the world.The mansion is built 1902 Thomas and his wife Jennie use their newfound fortune to construct a 17,000 square foot mansion in Salt Lake City.A famous visitor 1903 President Theodore Roosevelt pays a visit to the Mansion.Kearns passes away 1918 Thomas Kearns dies from injuries sustained during an auto/pedestrian accident, widowing Jennie.Mansion donated to the state 1937 After raising her children at the Mansion, Jennie donates it to the State of Utah.Another famous visitor 1953 President Dwight D. Eisenhower visits the Mansion.Mansion changes hands 1957 Mansion is given to the Utah Historical Society and no longer serves as the governor’s residence.Mansion renewed as Governor's residence 1977 Governor Scott Matheson renovates the Mansion.Christmas tree fire 1993 A Christmas tree fire causes extensive damage to the mansion.Current day 2021 Current Mansion resident Gov. Spencer J. Cox spends most of his time in the mansion, but occasionally returns home to his farm in Sanpete County.