Compagnoni, Pompeo an Italian prelate and writer, was born at Macerata, March 11, 1693. He studied first in his own town, and in 1712 at Rome, under Gravina. Having entered holy orders, he became archdeacon of Macerata, and auditor to cardinal Francesco Barberini. He was made bishop of Osimo and Cingoli, October 2, 1740, and died July 25, 1774, leaving, besides some minor pieces, a Memorie della Chiesa d' Osimo (Rome, 1782, 5 volumes, 4to). See Hoefer, Nouv. Biog. Generale, s.v.