I have the following: JOHN BLAIR MCLIN (Col. in CSA), b. 07 Feb. 1820, Little Limestone, Washington Co, TN; d. 05 May 1877, Jonesborough, Washington Co. TN m. 05 Dec. 1850 toCATHERINE JANE EARNEST, b. 08 May 1825; d. 17 Jan. 1855, bur. Old Jonesborough Cemetery, Washington Co., TN.
If this is the John and Catherine you are looking for, contact me. I have much more.