Can't help with date of death but found three children in 1860.
1860IllinoisCLAYFLORA Series: M653Roll: 162Page: 476 June 5th.
Faverty, Rezen 31 Farmer OH Faverty, Caroline 24 OH Faverty, John 8 OH Faverty, Benjamin F. 3 OH Faverty, Charles M. 9 months IL
Powell, John 53 Farmer OH Powell, Sarah 54 KY Faverty, Rebecca 29 OH Faverty, William A. 7 OH Faverty, Sarah J. 5 IL Faverty, Manon or Marion A. male 2 IL Powell, John 23 Farmer OH Powell, Caleh or Laleh? 17 female OH Powell, Andrew 15 OH