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Isaac Munroe St. John Edit Profile

army officer , engineer

Isaac Munroe St. John, American army officer, engineer. member engineering staff B. & O. R.R., 1848-1855.


John, Isaac Munroe St. was born on November 19, 1827 in Augusta, Georgia, United States. Son of Isaac Richards and Abigail Richardson (Munroe) St.John.


Graduated from Yale, 1845.


Assistant editor Baltimore Patriot, circa 1847. Member engineering staff B. & O. R.R., 1848-1855. In charge of construction divisions Blue Ridge R.R. in Georgia, 1855-1860.

Enlisted for engineering duty in the United States Army, 1861, transferred to Magruder’s Army of Peninsula, became chief engineer. Commissioned captain engrs., 1862, promoted to major 1862, chief of the nitre and mining bureau, Richmond, Virginia. Lieutenant colonel and colonel.

Appointed commissary general with rank brigadier general Confederate States Army, 1865, organized an efficient system for collecting and storing supplies and for forwarding them to the armies. Chief engineer Louisville, Cincinnati & Lexington R.R., 1866-1869. City engineer Louisville (Kentucky), 1869-1871.

Made 1st topographical map of Louisville and planned city’s 1st complete sewerage system. Became construction engineering C. & O. R.R., 1871. Chief engineer Elizabeth, Lexington & Big Sandy R.R., 1873.


Member engineering staff B. & O. R.R., 1848-1855.


Married Ella J. Carrington, Feb 28, 1865, 6 children.

Isaac Richards St.John

Abigail Richardson (Munroe) St.John

Ella J. Carrington