Green’s Dictionary of Slang

parish n.

one’s own area or neighbourhood; the area in which one has influence and/or does business.

C.L. Brace Dangerous Classes of NY 152: [F]or many years [...] I made this quarter my special ‘parish’ for visitations [as a social worker].
[US]C.L. Cullen Tales of the Ex-Tanks 69: I wanted ’em all to see how I shaped up back here in the old parish.
[UK]L. Davidson Rose of Tibet 134: ‘I’m the Duke of Ganzing. The monastery happens to be in my parish—so to speak’.
[UK]J. Sullivan ‘May the Force be with You’ Only Fools and Horses [TV script] I got meself transferred back to the old parish.
[UK]J.J. Connolly Layer Cake 15: I made sure I was seen out and about the parish.

SE in slang uses

In compounds

parish bull (n.) (also parish prig) [SE bull/prig n.1 (2)]

(UK Und.) a parson.

[UK]T. Brown Letters from the Dead to the Living in Works (1760) II 108: A man that would make a parish bull jealous.
[UK]Smollett Peregrine Pickle (1964) 158: A goatish ram-fac’d rascal! Why he’s a perfect parish bull, as I hope to live.
[UK]Lex. Balatronicum n.p.: parish bull A parson.
[UK]Lytton Pelham III 268: Suppose Bess were to address you thus: ‘Well you parish bull prig, are you for lushing jackey, or pattering in the hum box?’.
[UK]Lytton Paul Clifford III 128: The parish-bull, who was as poor as if he had been a mouse of the church instead of the curate, lugs out another [sovereign].
[UK]G.W.M. Reynolds Mysteries of London vol. 2 142: Parish prig Parson.
[UK]Hotten Sl. Dict. 195: Parish prig or parish bull, a parson.
[UK]Sl. Dict.
parish lantern (n.)

the moon.

[UK]Halliwell Archaic and Provincial Words II.
[US]Letters by an Odd Boy 161: I can trace something like an idea in [...] cold water [being] ‘Adam’s ale,’ the moon ‘a parish-lantern,’ and ‘a blue moon’ an indefinite period.
[UK]Sl. Dict.
J. Ashton 18C Waifs 235: [note] The link-boy’s natural hatred of the parish lantern which would deprive him of his livelihood .
[UK]G.F. Northall Folk-Phrases of Four Counties 28: To go home with the parish lantern, i.e. the moon.
[Aus]C. Crowe Aus. Sl. Dict. 56: Parish Lantern, the moon.
parish rig (n.) [SE parish-rigged, cheaply rigged]

(orig. naut.) a badly rigged ship; thus an ill-dressed man.

[UK]F.C. Bowen Sea Sl.
parish soldier (n.) [the hiring of substitutes by the parish in which the orig. chosen militia-men lived]

a militia-man.

[UK]Grose Classical Dict. of the Vulgar Tongue n.p.: parish soldier a jeering name for a militia man, from substitutes being frequently hired by the parish, from which one of its inhabitants is drawn.
[UK]Lex. Balatronicum.