Try the www.rootsweb.com website. Type in the Search Rootsweb box Lonnie and then Slaughter, click search and then next page will lists all the Lonnie Slaughters that are submitted in the rootsweb databases. Click on the words World Connect and there is a Lonnie Blakely Cooter Slaughter listed in someone's family tree. Click on one of those. You may can contact the submitter at the top of the page and get more info...
Hope that helps...