Hi, Don't know if these are related to your Helms, but I know at least two large familys of Helms went to Coffee Co. Al. One of the Helms girls married a Martin in Coffee Co. Al.
You might try posting to the Coffee Co. Al. rootsweb board (much more readers there) and you should be able to contact that family. I believe the Helms were listed on the 1860 census in Coffee Co. Al. which might be at "census online" or it might be on the algenweb coffee site or usgenweb archives.
Hope this helps even if your post is kinda old. P.J.