The Marriage Index of
Hancock County, Ill. 1829-1849 Vol 1 (Tri-County Genealogical Society, 1983), page 30, lists license number 281 given to Alexander Martin Jr and Mary Ann Martin, issued on 15 June 1839, and marriage performed by DH
Wells, JP. EarlyLDS.com lists them living at T7 R8, Sec 11, which would be immediately around today's Niota.
EarlyLDS.com also lists Alexander Sr and Margaret owning the same piece of property, along with Sec 14, NW/4 of the SW/4, 40
Acres (immediately south of Sec 11); Sec 14, E/2 of the NW, 80 Acres; Sec 15, NW of the SW (east of Sec 14), all in the same Twp.
The 1842
Hancock County Assessor's Record lists the following for Alexander Martin (doesn't say whether Jr or Sr, but does say that he is in T7 R8): Cattle: $50; Waggons: $30; Clocks: $5;
Stock in Trade: L; Other Articles: $100; Total taxable property: $235
You may also be interested to know that living next door to Alexander in the 1842 Assessor's record was a John Martin who had $100 in horses, $30 in waggons, $10 in watches, and $10 in other articles, making $150 total taxable property.