Here's a few more.

French Blues
Drunkards Blues
Keep a Knockin
Horace Trahan's Ossun Blues (Keep telling myself to learn this one)

Married Life sounds like the Delmore Brothers' Blues Stay Away from Me.

Lost Her in the Pines also goes by the name In the Pines.

Frankie and Johnny is more for the fiddlers but maybe it's playable on accordion.

Then there's Raise Your Window High (English):http://npmusic.org/Cleoma_Breaux_Raise_Your_Window_High.mp3
and Ouvrez Grand Ma Fenetre (French): http://npmusic.org/Joe_Falcon_Cleoma_Breaux_Falcon_Ouvre_Haute_Ma_Fenetre.mp3

Careless Love (L'Amour Indifferent): http://npmusic.org/Joe_Falcon_Cleoma_Breaux_Falcon_Lamour_Indifferent.mp3

What do you think of the blues songs played by Octa Clark.

Black Top Blues,
Freight Train Blues,
Old Dog Blues.

Tow Truck Blues... Balfa Toujours

AR

Big Nick, not a Cajun tune but I'm Comin' Home should be something that a blues guitar player should be able to rip.

Stay cool Braves.

Rob K.

Thank you everbody for your thoughtful responses!

Gee, this Forum is *swell*!

--Big Nick