You may have already found the data you were looking for, but thought I would post this for you anyway just in case you were still looking. These are the Keith's buried in Flora Cemetary, Flora Church Road, one mile south and one miles west of Irene, Boone County, IL: (w/o=wife of; d/o=daughter of) Keith Catherine (Brown) b1826 d1864 w/o Lewis12; Keith Clara Mb1852 d1852 d/o L & C12; Keith Estellab1871 d1921 d/o L & L12; Keith Fannie 1835 d1 Mar 1850d/o A & S11; Keith Lewisb1826 d190912; Keith Lutherb1867 d193117; Keith Maria L (Farley)b1840 d1917 w/o Lewis12; Keith Mariah (Heade)b2Feb1766 d10Oct1847 w/o Peter 12; Keith Peter b76 May 1765 d24 Aug 1846 mar 1789/9012; (Note from this message poster: In the cem. listing this was taken from it does listthat date as "76 May 1765) Keith Roswell Cb1864 d191917; Keith Sarah Cb2 Aug 1858d9 Nov 1904;13 Keith Wesleyb23 Jan 1856 d4 Jan 193913
Good luck & happy searching! I hope this helps you out!