Son of Squire Jennings and Mary Cook Jennings. Married Martha Ann Curtis on October 9, 1865 in Lawrence County, Missouri.

Newspaper article printed in the Douglas County Herald in 1903: "Died at Ponce De Leon Springs Stone county, Missouri, on July 3rd, 1903 at the age of 63 years, of cancer of the stomach and Brights disease, Mr. Dempsey C. Jennings, of Rome, Mo. Mr. Jennings was born in Caldwell county, Ky., in 1840 and moved to Missouri in 1849. He served three years in the Union Army. He had lived a Christian life for over thirty years and was a member of the Methodist church. He has been afflicted for several years with a cancer of the stomach and Brights disease and about three months ago took very bad; went to Henderson, Mo. for treatment. He took treatment for one month when the doctor told him that he could not cure him so he went to Ponce De Leon Springs, Stone county Missouri and died there July 3rd. He leaves a wife and seven children and a host of friends to mourn his loss."

Children born to this union were, in addition to shoe listed on this memorial:
Infant Boy Jennings: Born/Died May 13, 1866, , Lawrence, Missouri
Infant Boy Jennings: Born/Died March 3, 1867, , Lawrence, Missouri
James Elisha Jennings; DOB: February 17, 1868; DOD: March, 1868; , Lawrence, Missouri
Information received from a family member indicates the two Infant Boys died at birth. James Elisha Jennings was named for Dempsey's brother and died when he was one month old.

Co B Lawrence County Home Guards
432 - Co "B"
Jennings, Dempsey C
Rank Private Age _____
Captain Burrow, Com'd'g.
Enlisted May 18, 1861
Where Elm Branch, Mo.
Mustered in May 18, 1861
Where Elm Branch, Mo
Remarks: Was last mustered Aug. 10, 1861. (Enlisted in USA)
Form No 2411 A. G. O., 1-28-10--5 M.

Co D 6th Regt Cav Vols
6th Reg't Cav Vols
Jennings, Dempsey C Age 24
Rank Pvt Co D
Captain Crocket
Enlisted May 6, 1862
Where Houston, Mo.
Mustered in Dec. 30, 1862
Where New Iberia, La
Remarks: Wounded in battle of Sabine Cross Roads April 8, 1864. Discharged May 5, 1865 ex term. Mustered into U.S. service to serve till ex term
Form No 242, A. G. O. Mo, 11-3-11-18M

6 Reg't Cav. Vols.
Jennings, Dempsey C Age 24
Rank Pvt Co D
Captain Crocket
Enlisted May 6, 1862
Where Houston, Mo
Mustered in Dec. 30, 1863
Where New Iberis, LA
Remarks: Wounded in battle of Sabine Cross Roads April 8, 1864. Discharged May 5, 1865 ex term
Mustered into U.S. service to serve till ex term
Early Settlers of Douglas County Missouri by Bessie Janet (Woods) Selleck - June 3, 1952; Page 135-136: JENNINGS, DEMPSEY C. married MARTHA A. CURTIS. He was born in Kentucky, she, in Tennessee. They came to Missouri with their parents and settled in Lawrence County where they were married. They are living (11894) in Stone County, at Ponce de Leon Springs. They formerly lived on a farm at Rome which they still own.

"DEMPSEY C. JENNINGS was a soldier in Company D, 6th Missouri Calvary and served throughout the war. He lost his eyesight from the effects of the war and draws a government pension. Their children were:
1 -- RACHEL A. JENNINGS, who married GEORGE M. SILVER.
2 -- MARY E. JENNINGS, married JAMES MAXWELL of Stone County.
3 -- WILLIAM JENNINGS, of Stone County.
4 -- THOMAS JENNINGS
5 -- TELA J. A. JENNINGS
6 -- ETHEL T. JENNINGS
7 -- ELENDER JENNINGS
Ref.: "A Reminiscent History of the Ozark Region", pp. 303-4"