While he was a member of the Massachusetts House Blanchard developed a close friendship with Calvin Coolidge. Blanchard, it was rumored, taught Coolidge how to properly dress for various occasions.[8]
Blanchard did not seek reëlection to the senate in 1913. Blanchard was replaced by Charles W. Eldridge for the 1914 legislative term.[5]
Blanchard worked for many years for the N. E. Tel & Tel Co.[7]
Blanchard had a heart attack and died while he was on a trip to Florida, where he had gone to spend the winter.[7]
^ abcdefghiWho's Who in State Politics, 1911, Boston, MA: Practical Politics, 1911, p. 28.
^Bridgman, Arthur Milnor (1909), A Souvenir of Massachusetts Legislators 1909, Vol. XVIII, Stoughton, Ma: A. M. Bridgman, p. 131.
^ abcBridgman, Arthur Milnor (1910), A Souvenir of Massachusetts Legislators 1910 Vol. XIX, Stoughton, Ma: A. M. Bridgman, p. 123.
^Who's Who in State Politics, 1915, Boston, MA: Practical Politics, 1915, p. 66.
^ abBoston Evening Transcript (December 1, 1913), SENATE CHAIRMANSHIPS - Some Probabilities of President Coolidge's Coming Selections, Boston, MA: The Boston Evening Transcript, p. 16.
^Bridgman, Arthur Milnor (1908), A Souvenir of Massachusetts Legislators 1908 Vol. XVII, Stoughton, Ma: A. M. Bridgman, p. 159.
^ abcdefLewiston Evening Journal (February 21, 1939), OBITUARY Charles Blanchard, Lewiston, ME: The Lewiston Evening Journal, p. 2.
^Fuess, Claude Moore (1940), Calvin Coolidge - The Man from Vermont, Boston, MA: Little, Brown & Co., p. 98.