The congregants in Goodyhay's church in The Mansion are mostly ex-soldiers and their wives or mistresses; one of the men wears a "barracks cap still showing where the officer's badge had been removed" (305), and another refers to the group as "ex-drafted sons of bitches" (300). But the group also includes "the moms and pops of soldiers that got killed" (295) as well as the men who help to build at the two church sites.
The 'johns' who frequent Miss Reba's brothel in Memphis; in his narrative in The Mansion, Montgomery Ward Snopes calls them "customers" and "clients" (81).
In The Mansion these men are the crew of the bomber on which Charles Mallison is the bombardier and Plex is the pilot. After their plane is shot down behind enemy lines, they all end up in German prisoner-of-war camps together.
As a sign of the post-war "industrial renascene and rejuvenation," the Snopes bank now had a "vice president imported from Memphis" (400). The Mansion does not name or describe him in any more detail.
The people who are in the bank lobby in The Mansion to witness Gavin Stevens' negotiation for a loan on his car are described as "not only all the staff but the moment's complement of customers" (401).
The narrator of The Mansion speculates at Flem's funeral that most bankers who die of a self-inflicted gunshot wound have just been visited by a State or Federal - or "maybe both" - bank inspector (461).