Sheila,
I hope some of the following will help. Let me know.
I found these marriage records at ancestry.com:
Huff, Hannah married Mcdonald, Randolph 01 Mar 1812 Georgia Wilkinson County
Mcdonald, Elizabeth married Pearcock, Sherrod 16 Sep 1835 Georgia Wilkinson County
Birtit, Rachel married Thomas, William 17 Feb 1813 Georgia Wilkinson County
Norman, Benjamin married Thomas, Rebecca 22 Dec 1825 Georgia Wilkinson County
Hall, Sarah married Thomas, Daniel 18 Mar 1835 Georgia Wilkinson County
Keel, Nancy married Thomas, William 10 Jan 1838 Georgia Wilkinson County
Rye, Mary Thomarried mas, George 05 Jan 1841 Georgia
Wilkinson County Rye, Joseph Thomas, Matilda 19 Dec 1844 Georgia Wilkinson County
Rye, John married Thomas, Sarah H. 06 Jan 1845 Georgia
Wilkinson County
Butler, Mary[Mrs]married Thomas, Daniel 25 Jan 1846 Georgia Wilkinson County
Smith, Gillie[Mrs]married Thomas, James 23 Jul 1848 Georgia Wilkinson County
Sar. McDonald on 1830 census
William McDonald in district 318, Baldwin County, Ga in 1840
Wilkinson County, Ga Court of Ordinary Minute Book A, 1835 - 1858:
Nov. Term 1838
James Thomas was one of the appraisers on the estate of Starling Stuckey
August Term 1853
Mary M. McDonald Estate. Thomas H. Parker and John N. Brady have Letters of Admission on the Estate, $1,000 bond.
Oct. Term 1853
Moses M. McDonald Estate, Romulus F. Rozar and William H. Rozar have Letters of Admission debonis non on the estate.
Feb Term 1854
Same two Rozars have leave to sell real estate of the deceased