| Sources |
- [S1475] population schedule, Township 16 S, R 4 E, Metropolis postoffice, (Massac County, Illinois, United States: Larkin Hogan Simpson household, 1860), 26 Feb 2005, micropublication M653, roll 209. (Reliability: 2).
- [S1476] population schedule, Township 16 S, Range 4 East, New Columbia postoffice, (Massac County, Illinois, United States: Larkin Hogan Simpson household, 1870), 26 Feb 2005, micropublication M653, roll 209. (Reliability: 2).
- [S1477] population schedule, Township 16 S, Range 4 East, New Columbia postoffice, (Johnson County, Illinois, United States: Larkin Hogan Simpson household, 1880), 26 Feb 2005, micropublication T9, roll 217. (Reliability: 2).
- [S1478] Illinois Statewide Marriage Index, 1763-1900, (L. H. Simpson - S. A. Riley), 26 Feb 2005 (Reliability: 2).
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