Calvin Coolidge to work jointly with Edward T. Clark, a Massachusetts Republican organizer whom he retained from his vice-presidential staff, as Secretaries to the President (a position equivalent to the modern White House Chief of Staff). Perhaps the most powerful person in Coolidge's Cabinet was Secretary of the Treasury Andrew Mellon, who controlled the administration's financial policies and was regarded by many, including House Minority Leader John Nance Garner, as more powerful than Coolidge himself. Secretary of Commerce Herbert Hoover also held a prominent place in Coolidge's Cabinet, in part because Coolidge found value in Hoover's ability to win positive publicity with
John Calvin Coolidge Sr. of the peace and a notary public, administered the presidential oath of office to his son at the Coolidge Homestead in Plymouth Notch, Vermont, at about 2:30 a.m. on August 3, 1923. John Calvin Coolidge Sr. died in Plymouth, Vermont on . He was buried at Plymouth Notch Cemetery. In 1868, Coolidge married Victoria Josephine Moor (b. 1850). They were the parents of two children, son Calvin, and daughter Abigail (1875-1890). Victoria Coolidge died in 1885, at the age of 35. Coolidge married again on September 9, 1891. to Caroline Athelia Brown (1857–1920). John Calvin Coolidge Sr. John Calvin Coolidge