blue county heart by jorma kaukonen is one of my favvvs who does this song
also, lots of similar songs to the one you mentioned are remakes of ones that were originally recorded by jimmie rodgers. look up his blue yodels. they have legit names and "blue yodel #s." There are 13 of em.
I believe gambler's blues is also called st james infirmary blues.
Weber Gallatin Mandocello
Language is the armory of the human mind, and at once contains the trophies of its past and the weapons of its future conquests. -Samuel Taylor Coleridge