Thanks for posting this message. We have the Hearns surname in our family. It started with the marriage of Rachel Atlas to William Abner Hearns. The Yell family were part of a line of ministers/reverends. I've seen Rev. TE Yell in a number of records for our family. (Please see this link for context - http://blog.atlasfamily.org/2010/10/19th-century-clergy-in-e...
Our genealogy efforts are focused on East Carroll Parish. Please feel free to visit our website http://www.atlasfamily.org
to learn about our ties there and for resources on the area.
Let us know how we can be of assistance to you!