In the book's own words, not ours, with obvious scanning errors fixed. Families often supplied these stories to the publisher, so check key dates.
Born 1842
From Biographical review of Des Moines County, Iowa (1905)
WILLIAM MILLER.
[This passage is too damaged in the scanned book to reproduce. See the original book.]
As printed in Biographical review of Des Moines County, Iowa (1905). See the original pages. Wording is the original; obvious scanning errors have been corrected, and a few may remain.
Their biographies name William Miller: Charles Beardsley (b. 1830) John L. Miller (b. 1826)
The printed record stops around 1905. We trace your line from there down to you, with every source cited.