The following are some FPOC I found while searching for my WILLIAMS line in 1850:

Chester County PA 1850

East Nantmull (Nantmeal) Township

BOONE Margaret, 67, East Nantmeal P 222
CROSBY, Margaret, 16 mulatto PA
FISHER, Henry, 18 PA laborer
HILL Herman, M b 35 laborer p 221
INGLE, Elizabeth, 60 black Delaware p 229
LYNCH, Sydney, 18 male both born PA
NIXON, Samuel, 17 mulatto p 229
POTTS, John, m b 8 PA
SEARL, Amelia, 10 mulatto p228
WILLIAMS, Robert, 13 mulatto PA p 228
WILSON Charles and Sarah, 50 born MD p 221

South Coventry Township

WILLIAMS, Richard 62 laborer p 147
WILLIAMS, Elizabeth 53
WILLIAMS, Joseph 18
WILLIAMS, Elizabeth 12
WILLIAMS, Hannah 8
WILLIAMS, Sarah 4 (next page)
WILLIAMS, Lewis 11

East Caln Township

TURNER, James 51 Baltimore MD

Ellen, 45 PA

Elizabeth 18 PA

Ellen, 16 PA

William 13 PA

Samuel 10 PA

James 6 PA

John 5 PA

Matthew 2 PA