[3] Through his mother, he was a direct descendant of Mary Dyer, the Quaker martyr, and of Roger Williams, founder of Rhode Island.

[4] In 1910, Norton left the Treasury Department (and was succeeded by A. Piatt Andrew)[5] to become Secretary to President William Howard Taft, where he "organized the Commission on Economy and Efficiency which prepared the Government estimates on a budge basis for the first time."

[1] While at the Treasury, Norton became a member of the Executive Committee and Treasurer of the American Red Cross as well as a trustee.

Katherine's grandfather was the prominent abolitionist William Lloyd Garrison and among her family were aunt Fanny Garrison Villard (wife of railroad tycoon Henry Villard) and maternal uncle Charles Follen McKim, the prominent New York architect.

They were the parents of three children: Norton died of complications from influenza on March 6, 1923, at 4 East 66th Street, his home in New York City.