While following my BROOKS line from Wythe Co., Virginia up to Knox Co., Indiana, I've found connections with the described families:
Thomas DAYSON, b:1783 ENGLAND married Mary A. (UNKNOWN), b:1788 ENGLAND. The 1850 Knox Co., IND. census notes the following children:
John, b:1820 - d:1863
Thomas, Jr., b:1825/26 married: Catherine MARKS
James, b:1831 - d:1871
Catherine MARKS, b:1828, IND. was the daughter of Truman E. MARKS, b:1800, NY. and Elizabeth PICKEL, b:1794, VA.
Thomas DAYSON, Jr. married Catherine MARKS in 1850/51.The 1860 Knox Co., Ind. census notes household members:
Truman MARKS60 mFarmerb: NY1800
Elizabeth (PICKEL)66 fb: VA1794
Thomas DAYSON35 mFarmerb: IND 1825/26
Catherine (MARKS) 32 fb: IND 1828
Thomas M. DAYSON8 mb: IND 1852
Candace J. DAYSON5 fb: IND 1855/56
Truman M. DAYSON1 mb: IND 1859/60
The 1880, Vincennes, Knox Co., IN., census shows Thomas DAYSON has a new wife, Clemini UNKNOWN, b:1854, IL.
[I am unsure what happened to Catherine MARKS-DAYSON, but presume her deceased.]
The 1880, Palmyra, Knox Co., IN. census notes the following families: [NOTE change in spelling from DAYSON to DASON.]
Thomas M. DASON, b:1852, the son of Thomas DAYSON and Catherine MARKS, married: Minerva (UNKNOWN)
Thomas M. DASON,SELFb:1853, IN.
Minerva (UNKNOWN), WIFEb:1853, IN.
Edward DASON,SONb:1876, IN.
Lewey Ellis DASON, SONb:1879, IN.
James D. SECREST,OTHER, b:1853, IN.
Truman DASON,SELF,b:1859/60, IN.
Josie DASON,SISTER,b:1855/56, IN.
Eunice DASON,SISTER,b:1864, IN.
Ulysses DASON,BROTHER, b:1861, IN.
Truman MARKS,GFATHER, b:1800, VA.
John SECREST,OTHER,b:1852, IN.