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 1836
From The history of Warren County, Ohio .. (1882)
SHUBAL D. VAIL, farmer; P. O. Lebanon; was born in Butler Co., Ohi Jan. 15, 1836. His grandfather, Shubal Vail, was an emigrant from Ne Jersey, and an early pioneer in the vicinity of Middletown. He owned the lar feds on which a part of Middletown is now built. His son, Stephen Vail, learn V 1 rani the trade of plow making in Lebanon, and for many years was engaged in that business in Middletown, where he met and married Miss Catharii. Deem, a native of that county, who died in 1848. Mr. Vail was born in 180 and died with the cholera in 1854, on the farm where our subject now liv*1 with his step-mother. Our subject was reared and received his education Middletown. He was married in 1856 to Miss Elizabeth Harkrader, who die in 1875, leaving four children, of whom the only two survivors, William ai John, live on the farm with their father. Mr. Vail is a well-to-do farmer < good repute. He is a Republican in politics, and for fifteen years has acted in the capacity of School Director in his district. He is, as was his wife also a member of the Methodist Episcopal Church.
As printed in The history of Warren County, Ohio .. (1882). See the original pages. Wording is the original; obvious scanning errors have been corrected, and a few may remain.
The printed record stops around 1882. We trace your line from there down to you, with every source cited.