Green’s Dictionary of Slang

(Irish) an itinerant Jewish pedlar.

1949		Monteleone Criminal Sl. (rev. edn) 172: pavvy A peddler who sells merchandise which has been smuggled into the country duty free.
1996		(ref. to 1963) D. Healy Bend for Home 184: There’s a smell of Healey the pavee. Jew lover! Are you with the pavees now, Healy? Healy for scrap!
2001		G. Coughlan Everyday Eng. and Sl. 🌐 Pavey/ Pikey (n): gypsy (they were specifically travelling sellers of fabric).