The 1880 census shows GW Walker age 47, wife Mary E age 46, step sons, CF (Charles) Pitts age 14, and Sam C Pitts age 10, residing at Kimshew, Butte, CA. The pitts family is residing in Gratiot Co, MI, in 1870. Mary E Sylvester married Samuel E Pitts in 1850 at Sterling tp, Macomb Co, MI. Looking for information to locate death and burial for Mary and sons Charles and Sam. Will share Sylvester family information. Mailing address 1405 Hunt Rd, Mayville, MI 48744