Some help, or confirmation, maybe.
They apparently had a rooming house.
They are on Eugenia Ave, in St Louis in 1930, but the listing is a bit odd.....
Evans, Caldwell Head 50 LA LA MS
-----, Bertha Wife 40 TN TN TN
Seleston, Leonard Stepson KY TN TN
13 roomers
then
Evans, Johnnie , roomer 2 7/12 LA LA LA
-----, Dorothy Roomer 7 1/12 LA LA LA