Kimberly, I tried sending you this message and the next one, but they both came back to me, so I thought I'd get them to you this way.
Kimberly, I wouldn't worry too much about the discrepancy between the birth date and the date given by the census. You can never take those census records as gospel!
I don't have any of the children of John Henry Alexander and Minnie Lee Vier, but I do have some information that might help.
Isaac Alexander and Helen Frazier had the following children: (1) Margaret Alexander b. ca 1874 (2) Nancy Alexander b. ca 1876 (3) Harrison Alexander b.ca 1880 (4) John Henry Alexander b. 9 August 1872
You said Isaac's name is William Isaac. I have it that he has a brother named William. Am I confused? Here's what I have:
John Alexander b.ca 1822 married Rebecca Vier on 18 January 1845 in Wilson Co., TN. She was born in Virginia ca 1830.
John Alexander is the son of Isaac Alexander b.ca 1789 and Nancy Parsons. They married in Wilson Co., TN on 20 June 1813.
Rebecca Vier is the daughter of William Vier and Willy G. Lane. William Vier is the son of William Via and Pheobe Martin.
The 1880 census of Dekalb Co., TN. lists Rebecca (Vier) Alexander as divorced.
The children of John Alexander and Rebecca Vier are: (1) Nancy Alexander b.ca 1845 (2) William Alexander b.24 September 1847 Dekalb Co., TN. (3) Isaac Alexander b.ca 1849, married Helen Frazier (4) James Newman Alexander b. 6 January 1852 TN. d. 4 May1941 TX. (5) Sampson Alexander b.ca 1854 (6) Martin J. Alexander b. 30 July1856 TN. married Almon L. Frazier on 28 January 1874 in Dekalb Co., She died ca 1879-1880. Their children are Henry b.ca 1875, Charles b.ca 1877 and Ammon B. b.ca 1879. (7) Reubin Alexander b.ca 1858 married P.C. Davis on 5 September 1882 Dekalb Co., TN. (8) Jasper Newton Alexander b.23 January 1861 TN. d. 7 August 1917 Collin Co., TX. married Frances Vier on 15 April 1886 in Dekalb Co., TN. She is the daughter of Thomas L. Vier and your William R. Vier's sister. She was born 2 February1869 in TN. and died in October 1946 in TX.