By: R.C. Brown and Company Publishers, Pub. 1895, reprinted 2024, 750 pages, Index, soft cover, ISBN #978-1-63914-329-0. Butler County was created in 1800 from Allegheny County. It lies in the Western Central part of the state closer to Ohio. This is volume #2 of a two-part set of books on the Butler County. This volume is devoted to nothing but Biographical Sketches of persons from the county. These sketches give lots of useful data such as: place and date of birth, marriage date, names of wife and children, location of present and former residence, education, occupation, deaths in family and etc. The Index mentions over 3,500 entries for persons with biographical sketches in this book.