Served on the staff of General Humphrey Marshall, C.S.A. in Southwestern Virginia. He wrote, and it has been published, "Bluegrass Confederate - The Headquarters Diary of Edward O. Guerrant", edited by William C. Davis and Meredith L. Swentor copyright 1999, 716 pages. He was the author of many other books. After the war he studied medicine and became a doctor as well as a renowned Presbyterian minister working in Breathit-Leslie-Perry-and Letcher counties.

OBITUARY - The Lexington Herald, April 29, 1916, page 1, column 2

BELOVED MINISTER TO BE BURIED TODAY
DR. GUERRANT TO BE BURRIED TODAY
Comrades Who Rode With Him In Morgan's Command To Be At Funeral
BURIAL IN LEXINGTON
Confederates Are Requested To Be At the Cemetery At 1:30 O'clock

All that is mortal of Dr. Edward C. Guerrant will be laid to rest this afternoon at 1:30 o'clock in the Lexington cemetery in the presence of many of his comrades, "the men who rode with Morgan," and many other sorrowing friends, who mourn the loss his family, his church and the State have suffered in the death of the eloquent minister, the gallant soldier, the sympathetic physician, the friend of the poor, the tender and considerate husband and father.

The funeral services will be held at the home, "Belvoir," near Wilmore, Jessamine County, this morning at 10 o'clock. The body was brought to that place yesterday morning from the Southland, and after the funeral today, it will be brought to Lexington, the cortege arriving from Wilmore at the cemetery at 1:30 o'clock. The funeral services will be conducted by the Rev. W. C. Clark of Birmingham, Alabama.

The active pallbearers will be J. D. Guerrant, M. H. Guerrant, E. P. Guerrant, W. U. Guerrant, R. H. Guerrant, Campbell Patterson, D. Clay Lilly and Norvin E. Green. Those who will act as honorary pallbearers are Colonel R. C. Morgan, Cabell Bullock, Governor James R. McCreary, General B. H. Young, General Basil W. Duke, W. B. Jenkins of Louisville; J. Will Clay and Walter Crooks of Mt. Sterling; L. S. Fitzhugh, J. R. Alexander, Robert Thompson and William Paterson of Wilmore.

The Confederate veterans will meet at the cemetery gate at 1:30 this afternoon and will march to the graveside of their comrades. The following notice was given out yesterday for publication:
"NOTICE TO CONFEDERATES"
"You are called to meet at the cemetery gate today at 1:30 p.m. to attend the burial of our comrade, E. O. Guerrant.
"P. P. Johnson, President.
"C. F. Estill, Secretary."