Chris, you are absolutely correct about Samford/Stanford M Smitherman [married Ida McCary] and Thomas Decatur Smitherman [married Anna J Gibson] being brothers.
They were sons of JOSEPH SMITHERMAN b. 30 May 1839 Bibb Co., Al. d. 4 Nov. 1911 [son of Jesse Smitherman b. 25 Dec. 1807 & Dorothy "Polly" Garner/Gardner] and MARY DAVENPORT b. 21 Oct. 1841 d. 20 Feb. 1893 both buried at Pleasant Grove #1 Baptist Church Cemtery, Chilton Co., AL.
JOSEPH SMITHERMAN b. 1839 was married 1st to "Unknown" and they had: 1. E L Smitherman, female born 1858 according to census records 2. J D Smitherman, male born 1862 according to census records
Joseph married 2nd toMary Davenport on 7 August 1866 in Bibb Co., Al. and they had the following children:
3. Sanford/Stanford M Smitherman b. 1868 married 1st to Camilla/Carmela Ward[dau. of A C Ward] They had a daughter Hattie who lived with her grandfather Joseph. Hattie was born June 1888. S M married 2nd to Ida McCary on 27 Nov 1890 Chilton Co., AL.
4. Thomas Decatur Smitherman b. 1 Aug 1870 married 20 Feb. 1890 to Anna J. Gibson. Thomas Decatur died 8 Dec. 1926 and is buried at Pleasant Grove #1 Church Cem., Chilton Co., Al. where his parents are buried.
5. Alex/Alexander Z Smitherman b. Feb 1876 married 4 Dec. 1894 to Rebecca Elizabeth "Lizzie" Crumpton [dau of C C Crumpton and Sarah Frances Smitherman]. He married 2nd Annie Robinson on 6 Oct. 1912. The;y are buried at New Harmony Cem., Chilton Co., Al. Rebecca and children are buried at Pleasant Grove #1 as are her parents.
6. Lela A. Smitherman b. 8 Sept 1877 married 10 March 1895 Chilton Co., Al. to Henry M Robinson. She died 9 Dec. 1944 and is buried at Pleasant Grove #1 as well.
JOSEPH SMITHERMAN b. 1839 married 3rd Mrs. Missouri N Eyster Lewis a widow on 31 November 1896 in Chilton Co., Al. They did not have any children. Her tombstone lists her as M N Smitherman