1810 Berks Co, PA. At census time he was listed as PeterHerchberger, a ge 16-25 with a family consisting of 1 female under 10,1 also 16-25, a nd one over 45 (who?). In the same county were hisparents.
1820 Wayne, Mifflin Co, PA. Before the next census Peter had movedth e family a couple of counties west. Counted there were 2 malesage10-1 6, 1 at 16-25, Peter and another male were 26-45, 1 female age10-16, a nd 1 at 26-45. Two were engaged in agriculture. BrotherDavid was in t he same county.