Father: John Hamilton Keenan (1780-1850)
Mother: Leanna McCormick (1788-1833)
01/18/1833 - Advertised his services as a physician in Pulaski, TN (source: Tennessee Beacon, Pulaski, TN, Jan. 18, 1833)
03/26/1835 - M.D. degree, University of Pennsylvania Medical Department, Philadelphia, PA (from: TN; thesis: "Epidemic Cholera")
08/00/1837 - As Medical Director, with a group of U. S. Army officers, accompanied a party of about 500 Chickasaw Indians on their movement from Memphis across the Mississippi River
03/19/1840 - Published a professional advertisement as a physician in Pulaski, TN (The Whig Courier, Pulaski, TN, March 19, 1840)
04/16/1840 - Practiced medicine, Pulaski, Giles Co., TN
07/06/1840 - Appointed as a delegate from Giles Co., TN, to the Whig Convention, Nashville, TN, August 3, 1841.
01/07/1841 - "Notice. Any person who may have Books of mine, either Medical or Miscellaneous, will please return them immediately, as I design to leave shortly." (The Whig Courier, Pulaski, TN, Jan. 07, 1841, p. 3, c. 4.)
05/16/1846 - Enlisted as a Private, Capt. Gillaspie's Co. 1st TX Mounted Rifles, Mexican War, Huntsville, TX
08/03/1846 - Furloughed to the end of service
08/03/1846 - Discharged by Gen. Henderson at Matamoros, Mexico
10/02/1846 - Name appears on a Muster-Out roll for the st TX Mounted Rivers
12/13/1847-11/03/1851 - Served three terms as a Representative, Texas State Legislature and as Speaker of the House, from Walker Co., TX
03/21/1848 - Married, Elizabeth Ann Ward (1828-1890), Travis Co., TX
02/11/1850 - Father, John, died in Huntsville, Walker Co., TX
09/13/1850 - Practiced medicine, Walker Co., TX (lived with wife, Eliza, and one child;
indexed in the 1850 U. S. Census as Charles G. Keenan)
01/01/1851 - Ran for Lieutenant Governor of Texas, but lost
1851 - Speaker of the House, Texas State Legislature
11/07/1853-11/05/1855 - Senator, Texas State Senate, from Huntsville, Walker Co., TX
11/22/1853 - Was seriously ill, but recovering, in Texas
- Superintendent of the Texas State Asylum for the Insane
08/04/1860 - Practiced medicine, Austin, Travis Co., TX (lived with wife, E. A. and five children - indexed in the 1860 U.S. Census as C. G. Keenan)
09/08/1862 - Signed a contract with Surgeon Henry Peyton Howard to serve as an Acting Asst. Surgeon in Austin, TX, at $100/mo.
09/28/1862 - Acting Asst. Surgeon, Confederate Hospital for the Camp of Instruction, Austin, TX
10/31/1862 - Acting Asst. Surgeon-in-charge, Conscript Hospital, Austin, TX
11/21/1863 - "Major Surgeon", Conscript Hospital, Austin, TX
11/30/1863 - As Surgeon, Conscript Hospital, Austin, TX, under the instruction of Col. Ford, Superintendent of Conscripts, Dept. of Texas, New Mexico, and Arizona
- Grand Treasurer, Masonic Chapter of Texas
06/15/1870 - Died at his residence, Huntsville, Walker Co., TX (buried: Oakwood Cemetery, Huntsville, TX; FindAGrave #67894317)
06/20/1870 - Widow, E. A., lived in Huntsville, Walker Co., TX (indexed in the 1870 U. S. Census as "E. A. Kunau")
07/04/1890 - Widow, Elizabeth, died in Galveston, Galveston Co., TX (buried: Old City Cemetery, Galveston, TX; FindAGrave #33374814)

This biographical sketch is from:
Hambrecht, F.T. & Koste, J.L., Biographical
register of physicians who served the
Confederacy in a medical capacity.
04/07/2014. Updated 12/08/2019.
Unpublished database.

The following was added by k, the creator of this memorial:

Father of Charles Grandison Jr., John Ward, Helen Priscilla, Carrie Lynn and a daughter, A.B. Keenan.