Alfred Kittredge Hamilton, youngest son of Irenus and Mary Esther (Kittredge) Hamilton, was born October 31, 1840, in Lyme, N. H., where his father operated a gristmill and sawmill. He fitted for college at Kimball Union Academy, Meriden, N. H. He was a member of Kappa Kappa Kappa. In 1861 he left college to enter the United States Military Academy at West Point. Here he remained two years, ranking second in his class, but suffered an accidental injury to his spine during artillery practice, which resulted in his retirement from the army. In 1864 he received his degree from Dartmouth, as of his class.
In 1863 he went to Fond du Lac, Wis., and joined his older brothers, who were already established in the lumber business. Fifteen years later he became sole owner of the sawmills and lumber yard in Fond du Lac. In 1883 he removed to Milwaukee to become general manager of the Milwaukee Harvester Company, of whose board of directors he had for some time been a member. In the same year he organized the Hamilton Lime and Stone Company, with quarries and kilns at Hamilton, Wis. His retirement from the Harvester Company preceded its sale to: the International Harvester Company, and in 1889 the stone business was sold to the Western Lime and Cement Company, leaving Mr. Hamilton more time to attend to his increasing duties on the finance and executive committees of the Northwestern Mutual Life Insurance Company, of whose board of trustees he had been a member since 1889, being the senior ranking member of the board for a long time before his death.
Mr. Hamilton served as president of the Milwaukee Soldiers' Monument Association from 1897 to 1903 ; chairman of the committee on public affairs of the Merchants and Manufacturers Association, 1901-03; commissioner of public debt, 1904. For many years he served as vestryman of St. Paul's Episcopal church, Milwaukee, and as trustee of Forest Home Cemetery. He was president of the General Association of Alumni of Dartmouth in 1897-98.
June 11, 1866, Mr. Hamilton was married to Mary E., daughter of Col. Montgomery W. and Nancy (Eastman) Tallmadge of Fond du Lac, who died July 28, 1873. Their older son died in infancy; the younger is Tallmadge Hamilton '96, now of Tacoma, Wash. July 19, 1881, Mr. Hamilton was married to Mrs. Phoebe Anne Garner of Milwaukee, daughter of George and Barbara (Grider) Burnham, who died April 14, 1914. They had one daughter, Anne Burnham, now Mrs. Charles J. Mcintosh of Milwaukee..
Mr. Hamilton suffered a physical breakdown in the spring of 1918, compelling him to resign from his various committees. In June he went to Battle Creek, Mich., for treatment at the diet sanitarium, and in October he journeyed to California, where he stayed at the branch sanitarium under the same management at National City. On December 18 heart complications developed, and the end came unexpectedly (December 20. After cremation in San Diego, the ashes were brought to Milwaukee for interment at Forest Home Cemetery.
For several years prior to his death he was a member of the board of directors of the First National Bank of Milwaukee and of the Milwaukee Gas Light Company.