You are not intruding at all.....Helping each other out is how we find out things. Unfortunately, I don't know if there is a connection or not. Wasn't there a lot of Indians in that area of Oklahoma? My Foreman's had been in Louisiana a long time.
All of my aunts and uncles (and my Dad) looked like they had some Indian in them. Dark hair and skin.
If I come across anything that I think might be a connection, I will certainly post it. Good luck on your hunting.