I suspect that he hadn't fully matured and wasn't up to the job.
Believe these census records show his pre and post war.
Neither his, or a widow show up in the Index of Tennessee Confederate pensions.
George Martin
Company C, roster of officers: 2nd Lieutenant A. J. Lacey resigned August 15, 1863
Andrew J.Lacey [sic] enrolled as a Brevet 2nd Lieutenant in Company C, 8th Tennessee Cavalry* August 2,1862 at Cookeville, by Col. G. G. Dibrell for the duration of the war, resigned 1st Lieutenant July 1, 1863
June 17, 1863, in his endorsement Col. Dibrell notes " . . . Lacy is not qualified for the office he holds." The following endorsement, June 20, by BGen. [?] states: ' . . . this officer is not competent to hold the position the service will be benefited by the acceptance"
* This regiment was organized as Partisan Rangers in September, 1862, with twelve companies, and was remustered as cavalry in October, 1862, and consolidated into ten companies. It was officially designated the 13th** Regiment Tennessee Cavalry bby the A. & I. G. O., but was mustered in the field for a while as the 8th Regiment Tennessee Cavalry, and as Dibrell's Regiment Tennessee Cavalry.
** Their compiled service records are filed as the 13th Tenn. Cavalry
M268: Compiled Service Records of Confederate Soldiers Who Served in Organizations from the State of Tennessee
1860 United States Federal Census about Andrew J Lacy
Name: Andrew J Lacy
Age in 1860: 18
Birth Year: abt 1842
Birthplace: Tennessee
Home in 1860: Division 1, Carter, Tennessee
Gender: Male
Post Office: Elizabethton
Household Members:
Name Age
Isaac Lacy 65 Farmer
Clarkey Lacy 60
John Lacy 26
Andrew J Lacy 18
Levendon Lacy 25
William Lacy 4
1870 United States Federal Census about Andrew J Lacy
Name: Andrew J Lacy
Birth Year: abt 1842
Age in 1870: 28
Birthplace: Tennessee
Home in 1870: District 8, Carter, Tennessee
Race: White
Gender: Male
Post Office: Carters Depot
Household Members:
Name Age
Isaac Lacy 76
Clardey Lacy 70 At home
Andrew J Lacy 28 Farmer
Elizabeth Lacy 24 Keeping House
William Lacy 7
Mary Lacy 5
James I Lacy 2
1880 United States Federal Census about Andrew J. Lacy
Name: Andrew J. Lacy
Home in 1880: Carters Depot, Carter, Tennessee
Age: 39
Estimated birth year: abt 1841
Birthplace: Tennessee
Relation to Head of Household: Self (Head)
Spouse's name: Elizabeth
Father's birthplace: Tennessee
Mother's birthplace: North Carolina
Neighbors: View others on page
Occupation: Farmer
Marital Status: Married
Race: White
Gender: Male
Household Members:
Name Age
Andrew J. Lacy 39 Farmer
Elizabeth Lacy 36
William J. Lacey 17
Mary E. Lacey 14
Julia A. Lacy 8
George T. Lacy 6
Corneleas S. Lacey 3
Robt. T. Lacy 8M
John Lacy 50