Gibson, William Wesley was born on June 20, 1856 in New Haven, Connecticut, United States. Son of Robert and Jemima (Carey) Gibson.
Bachelor of Philosophy, Yale, 1879. Graduated from the United States Military Academy, 1879, Artillery School, Fort Monroe, Virginia.
Second lieutenant 5th Infantry, June 13, 1879. Transferred to 3d Artillery, July 11, 1879. First lieutenant Ordnance Department, January 10, 1887.
Captain, June 12, 1894. Major, January 21, 1904. Lieutenant colonel, September 10, 1907.
Colonel, September 2, 1912. General Staff, 1903-1907. Military attache in Sweden and Russia, 1905-1908.
Representative of War Department at coronation of King Haaken, of Norway, 1906. Appointed commandant Army Gun Factory, Watervliet Arsenal, New York, 1908. Head administration division Ordnance Department, 1918.
Clubs: University (New York City).
Married Mary E. Manning, of Troy, New York, October 25, 1913.