Bonnie I find the following Chalker family units in the 1850 PA Census Dorothy Chalker Choconut Twp Susquehanna Co Roll 829 p 166 Elias Chalker Auburn Twp Susquehanna Co Roll 829 p 50 Jacob Chalker Liberty wp Susquehanna Co Roll 829 p 136 Josiah Chalker Liberty Twp " " Roll 829 p 137 M. Chalker Liberty Twp " " Roll 829 p 135 Hansse? Chalker Choconut Twp " " Roll 829 p 166 Isaac N Chalker Mt Pleasant Twp Wayne Co Roll 835 p 20 RL Walter