Cyrus  Ballou Comstock

• General Notes
  • General Cyrus Ballou Comstock, son of Nathan (2) Comstock, was born February 3, 1831, at Wrentham, and died May 29, 1910.
    
    He graduated at West Point in 1855 and served through all grades in the Engineer Corps to the rank of colonel and was brevetted brigadier-general and major general of volunteers. He was chief engineer of the Army of the Potomac, and took part in many important battles in the civil war; senior engineer at the surrender of Vicksburg: chief engineer at the assault and capture of Fort Fisher; senior-aide-de-camp of Lieutenant-General U. S. Grant; promoted brigadier-general U. S. A., and retired April 23, 1904. He was a member of the Permanent Board of Engineers in New York City; for many years member and president of the Mississippi River Commission; member of the National Academy of Sciences; author of "Primary Triangulation of the United States Lake Survey."
    
    He married, February 3, 1869, Elizabeth Blair, born April 25, 1841, died August 6, 1872, daughter of Montgomery Blair. and granddaughter of Francis P. Blair Sr, Child; Elizabeth Marion, born August 5, 1872, died August 9, 1872." New England Families Genealogical and Memorial: Volume IV, Pp 1980-1