Samuel and Rachael Green(e) of Clarion and Crawford County, PA

Looking for information on Samuel and Rachael Green(e).
Lived in Clarion, Clarion County, PA in 1850:
Samuel Green, age 33
Rachel Green, age 34
Caroline Green, age 9
H.E. Green, age 7
M.E. Green, age 4
M.A. Green, age 11/12

Samuel is supposed to have been born in Clarion. Later moved to Meadville, Crawford County, PA.