We do get tired and discouraged.But do not give up. Maybe, you need a few days rest from your genealogy.
Lamb Co. is way up in the Panhandle of Texas close to New Mexico and Oklahoma.Sounds to me your Dad was a cowboy or farmer. Or both. It is at least two days journey from Cherokee Co.
The Social Security should tell you his income at the time of his death, his address when he died and who was paid his death benefits.I do not know if it tells his profession or not. It would not hurt to inquire and ask just what his SS record shows.
I will keep looking for the Crayton names you have given me.If I find something that I think will help you, I will be in touch.You make get in touch with me sooner, if you like.