My Swains seems to change their surname between Swain-Swim-Swims- Swaim - so confusing!!

The parents of Newton R. Swain are my brick wall..would appreciate any information or help regarding the parents, siblings or where they originated??? HELP!

Newton Roswell Swain
b. 04 Jun 1846 GA
d. 28 May 1924 Cherokee Co, GA
Burial: New Harmony Church Cem - Forsyth Co, GA

Married: 29 Aug 1872 Lumpkin Co, GA

Mary Jane Seabolt
b. 15 May 1857 GA
d. 28 Dec 1953 GA
Burial: New Harmony Church Cem - Forsyth Co, GA

Children:
1. Fannie Swain b. 1876 GA

2. Nancy 'Nannie' Swain / John F. Carnes
b. 05 Dec 1878 GA
d. 16 Nov 1968 Cumming, Forsyth Co, GA
Burial: New Harmony Church Cem - Forsyth Co, GA

3. Margarette Ella Swims / Columbus Elijah Richards
b. 10 Oct 1882 GA
d. 09 Feb 1973 Cumming, Forsyth Co, GA
Burial: New Harmony Church Cem - Forsyth Co, GA

4. Alice Belle Swain
b. Oct 1885 GA
d. ?

5. Newton Fernando Swims / Maude Webb
b. 27 May 1888/1890 GA
d. 14 Feb 1980 Forsyth Co, GA
Burial: New Harmony Church Cem - Forsyth Co, GA

6. Howell Swaim
b. 1892 GA
d. ?

7. Harrison C. Swain
b. Sep 1892 GA
d. ?

8. Annie Mae Swain / Edgar Whitfield
b. 28 Oct 1893 GA
d. 09 Apr 1993 Fernandina Beach, Nassau Co, FL
Burial: Rose Hill Cemetery - Austell, GA

9. Velva C. Swain
b. Aug 1895 GA
d. ?