Found Nathan on 1920 census:

1920 U.S. Census / Georgia / Sumter / Americus • ED# 103 / Pg. 13A
Singletary, Nathan Head M B 40 M POB: GA Fa: GA Mo: GA Occ: Laborer
“, Nettie Wife F B 35 M POB: GA Fa Mo: GA Occ: Laborer
“, Mary Dau F B 14 S POB: GA Fa Mo: GA
“, Lucita/Lucile? Dau F B 12 S POB: GA Fa Mo: GA
“, Susie Dau F B 10 S POB: GA Fa Mo: GA
“, Mick/Nick? Son M B 8 S POB: GA Fa Mo: GA
“, Clayton Son M B 6 S POB: GA Fa Mo: GA
“, Woodrow Wilson Son M B 4 S POB: GA Fa Mo: GA