Paul pry (paul pry)
noun: an excessively inquisitive person
From a character in the comedic play Paul Pry by John Poole (1786-1872). Earliest documented use: 1826. Also see nosy parker.
Usage (from Wordsmith)
“You must stop me if I begin to ask too much, or sound like an old Paul Pry.”
Molly Gloss; The Jump-Off Creek; Houghton Mifflin; 1989.