John Griffith McCullough (September 16, 1835 – May 29, 1915) was an American state legislator, businessperson and attorney.

He served as Attorney General of California during the Civil War, and the 49th governor of Vermont from 1902 to 1904.

[3] He attended Delaware College, and graduated first in his class with an AB degree after just two years of schooling.

[3] McCullough supported General Edwin Vose Sumner when the Union general seized Fort Alcatraz in 1861, preventing Colonel Albert Sidney Johnston from using the fort in support of bringing California into the American Civil War on the side of the Confederacy.

[1][3] His public speech-making in support of Sumner led to his election to the California State Assembly the same year.

[1][2] During his administration, Vermont abandoned statewide prohibition in favor of a local option law.

The two-story brick building was designed by the firm of Renwick, Aspinwall and Tucker, and opened on August 24, 1921.