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 1861
From History of Dubuque County, Iowa; being a general survey of Dubuque County history, including a history of the city of Dubuque and special account of districts throughout the county, from the earliest (1911)
Harry E. Tredway was born in Dubuque, June 30, 1861, attended the public schools in early youth, was graduated from the high school in 1878, and immediately thereafter entered the employ of Andrew & Tredway, and the succeeding firm of A. Tredway & Sons Hardware Company. For eleven years he was a traveling salesman for the firm, but upon its reorganization. and incorporation in 1889 he was elected secretary, serving as such until 1902, since which date he has been its president. Mr. Tredway is also vice president of the Metz Manufacturing Company, president of the Dubuque Shippers' Association, president of the board of education, member of the Dubuque Club and of the Dubuque Golf Club; he is a Republican in politics. To his marriage with Miss Marion McConnel, daughter of Major George Murray McConnel, at one time financial and literary editor of the Chicago Chronicle, which was solemnized June 22, 1887, three daughters have been born: Margaret, Helen and Mary Leslie.
As printed in History of Dubuque County, Iowa; being a general survey of Dubuque County history, including a history of the city of Dubuque and special account of districts throughout the county, from the earliest (1911). See the original pages. Wording is the original; obvious scanning errors have been corrected, and a few may remain.
The printed record stops around 1911. We trace your line from there down to you, with every source cited.