Miscellaneous References and Mentions

While our initial information about Irwin came from various goverment sources (GNIS, US Census, FIPS), we also found mention of Irwin in various books, maps and other sources.

We've created the following list to keep track of the sources that proved useful in adding to our knowledge about Irwin. We hope that they will be useful to you.

Note: Initially, we were careless about keeping track of where our Irwin data came from. The following list of references and mentions is incomplete.

Business Atlas and Shippers' Guide (1895)
Published by Rand McNally & Co.

A note taken from the Shipper's Guide for Irwin:
Services available in 1895: had a Post Office, a Railroad Station, an Express Office

Map of the Lincoln Highway (1915-1916)

Rand McNally Map of Pennsylvania (1911)
Published by Rand McNally & Co.

Shell Oil Road Map for Pennsylvania (1956)
Published by Shell Oil Company

Irwin is contained in a comprehensive list of Post Offices that was created by Cameron Blevins and Richard Helbock.<1>

We found Irwin in these Censuses: 2010-1990. See our Census Page for Irwin for more information.

Both the GNIS and FIPS databases contain entries for Irwin. See our Misc Page for Irwin for more information.