Dear Wayne, I found a Nelson Brewer in the Williamsport, Lycoming Co. PA 1850 U.S. census. Roll 795, p. 362. Age 27, occupation, Tailor. Married to Margaret Myers, age 22. I also found a Nelson Brewer, roll 795, p.59. from Norwich Township, McKean County, PA. Age 15. Do any of these connect?