Miscellaneous References and Mentions

While our initial information about Shamrock came from various goverment sources (GNIS, US Census, FIPS), we also found mention of Shamrock 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 Shamrock. We hope that they will be useful to you.

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

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

Shell Oil Road Map for Oklahoma (1948)
Published by Shell Oil Company

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

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

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