There are many sources that can assist you in your genealogy research if you would like more information on families that lived in New Philadelphia or Pike County. Below are many places that you could start searching, in addition to the historical data provided in orther portions of this website.
Websites
Pike County, Illinois-American History and Genealogy Project
Pike County, on the Illinois GenWeb Project
Ancestry.com
Rootsweb.com
FamilySearch.org
Libraries and Other Places for Research
Abraham Lincoln Presidential Library-Springfield, Illinois
Barry Public Library-Barry, Illinois
Barry Museum-Barry, Illinois
Pike County Courthouse-Pittsfield, Illinois
Pike County Historical Society and Museum-Pittsfield, Illinois