Hopefully in the last 2 years and 3 days, someone has responded to you.If not...
Edward and Sabrina Brooks are both buried in the Center Grove Cem.
BROOKS, Edward- Oct. 24, 1822-July 6, 1894 father BROOKS, Sabrina D. - Apr. 1, 1825 - Sept. 18, 1869mother
This info comes from a booklet I purchased from the Warren County, IL. Genealogical Society(Tombstone Inscriptions -Tompkins Township).These books are very economical (many under $10)and a very worthwhile purchase.