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 1830
From The history of Buchanan County, Missouri (1881)
THOMAS D. MOORE, proprietor of sale and feed stable, is a native of Jefferson County, West Virginia, and was born March 18, 1830. In 1856, he came to Missouri, locating on Grand River, Daviess County, and engaged in farming until 1869. From that time, resided at different points until 1880, when he became a resident of St. Joseph. Mr. Moore is a steady going, unassuming man, and is respected by all who have his acquaintance. In 1858, he was married to Miss A. B. Terrill. They have one son, William F.
As printed in The history of Buchanan County, Missouri (1881). See the original pages. Wording is the original; obvious scanning errors have been corrected, and a few may remain.
The printed record stops around 1881. We trace your line from there down to you, with every source cited.