Thanks,

I found this, but I'm also focusing own his maternal lines and his wifes family too.

"Private L. B. Walker Carter (1832–1874) served in the Confederate States Army in the Sumter Flying Artillery, saw considerable action at the Battle of Gettysburg."

http://www.sumterartillery.com/

Carters from the muster roll of Company A, Sumter Flying Artillery.

CARTER, J.T. - Pvt. - enlisted 15Dec62 Americus. Company A. 1864 on detached duty as musketeer. Surrendered 10May65 at Tallahassee, FL. Paroled 23May65 Albany, GA.

CARTER, L.B. Walker - Pvt. - enlisted 1Mar62 Americus. Company A. Surrendered 10May65 Tallahassee. Paroled 18May65 Albany. Great-grandfather of President Jimmy Carter. Born 1832. Died 1874. Buried in Oak Grove Cemetery, Americus, Sumter County.

CARTER, Wiley - Pvt. - enlisted 30July61 Americus, age 20. Company A. Wounded 24May64 Hanover Junction, VA (Battle of North Anna River). Surrendered 10May65 Tallahassee, FL. Paroled 18May65 Albany, GA. Born November 18, 1841.
Died September 18, 1904. Buried in Harmony Cemetery, Stewart County, Ga.

____________________
David Upton