7/23/1860 DeWitt, Clinton Co, IA. At census time Peter was listed at 38 years of age, wife Nancy was 27. The children, all born in IA, were John F, 9, William A, 4, and James A, 1. Peter had no occupation and only $25 in personal property.
He was 28 in 1850 making his birth year 1822 but some listings have 10/17/1817.