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 1879
From History of Davenport and Scott County Iowa : Illustrated (1910)
LOUIS A. KEPPY.
Louis A. Keppy was born in Donahue, Scott county, August 28, 1879, and has spent the greater part of his life in that village, in affairs of which he plays a prominent part. His parents are Frank and Mary (Rohwer) Keppy, who reside in Donahue and he is the second of their three children. He received his education in district school No. 1, in Aliens Grove township, after which he laid the foundation of a successful business career by a course in Duncan's Business College in Davenport. After working for his father in his creamery until he made himself acquainted with the details of the business he became manager and continued in that capacity for four years. When his father entered a new field of activity, dealing in general merchandise, live stock and farm implements, he accepted his present position as general manager.
On July 29, 1908, Mr. Keppy married Miss Lena Ewaldt, who was born in Eldridge, Scott county, March 26, 1887, and is a daughter of Herman E. and Katherine Ewaldt, residents of Eldridge. Their home is brightened by the presence of a small daughter, Katherine Marie.
Mr. Keppy has given his allegiance to the republican party, to whose measures he pins his faith. He takes a keen interest in public affairs and enjoys the confidence of the community in which he makes his home and where his career has been watched from birth. He is a councilman and serves as assistant to his father, who in addition to his business, holds the office of postmaster.
As printed in History of Davenport and Scott County Iowa : Illustrated (1910). See the original pages. Wording is the original; obvious scanning errors have been corrected, and a few may remain.
The printed record stops around 1910. We trace your line from there down to you, with every source cited.