Rivers and Burch Families, Charleston, SC
Mallory Rivers and wife Mary Stiles had daughter Ann Rivers born 1757; died 17 Aug 1837 Charleston SC
married abt 1795 as his second wife William McCants 1756-1829 -a daughter Sarah Ann McCants 1795-1861
according to family tree record in Ancestry.com
Not likely there was a marriage to Edward Burch in 1844 as
Edward C Burch born 01 Aug 1797; died 03 Nov 1841 buried St James Episcopal Cemetery, Charleston, SC Edward Christopher Burch only married once to Georgianna Rivers daughter of William Rivers 1775-1837. William Rivers and Ann Rivers were both children of Mallory Rivers by different mothers. William Rivers was son of Mallory Rivers and his wife Susannah Evans.
Note that Ann Rivers 1757-1837 is shown married three times. m. 1774 Archibald Scott m. 1787 John Woodbury 1795 William McCants who married m. 29 Oct 1782 Anna Sarah Crosskeys -Sarah Ann McCants may have been their daughter - She married Benjamin Stiles Rivers and their son was George Rivers 1819-1879..
William Rivers married abt 1810 Elizabeth Mary Shaw born 1780 daughter of Pott Shaw and their only known children were Georgiana and Eliza. Eliza apparently died young.
Pott Shaw had also daughter Esther Shaw married another William Rivers 1765-1803 son of John Rivers and Mary.
Georgiana Burch aged abt 40 shows on 1850 Census Charleston, SC with daughter Eliza (Burch) Sigwald age 20 in home
and other children:
Anna Burch 9
Archibald Burch 12
John Burch 16
Margaret Burch 7
Richard Burch 18
William H Burch 21
Sources for this information are from Census Records and Family Tree records on Ancestry.com and some information from family tree records showing at rootsweb.com