Ronald W. Walker, Richard E. Turley, Glen M. Leonard provide a brief biographical entry for Isaac C. Haight.
Ronald W. Walker, Richard E. Turley, and Glen M. Leonard, Massacre at Mountain Meadows: An American Tragedy (New York: Oxford University Press, 2008), 257
Haight, Isaac Chauncey (1813–86), 44. [A] Major, Second Battalion, Cedar City. One of the nine men indicted for the massacre. Even. though he was not at the massacre itself, he was a chief leader in its planning and execution. He sent the militiamen to the Meadows and obtained approval from Colonel William Dame for the emigrants’ destruction.