Annuario ecclesiastico (in Italian). Roma: Societa dellw Missioni. 1900. p. 218. The Archdeacon is attested as early as 1250: Zigarelli (1848), p. 38 column 2.
Pellegrini was born in the country district called Castrovillari in the diocese of Cassano. He was a Doctor in utroque iure (Roma, La Sapienza), and had served as Vicar General in several dioceses, including San Marco and Mileto in Calabria. In 1666 he published a manual for Vicars General, Carlo Pellegrini (1681). Praxis vicariorum et omnium in vtroque foro iusdicentium quatuor partibus comprehensa (in Latin). Venice: typis Antonij Tiuani.. He was appointed to the See of Avellino in the Consistory of 13 Mar 1673 by Pope Clement X, and consecrated by the titular Archbishop of Tarsus, Francesco Maria Febei. On 4 October 1673, he consecrated the church and the high altar of the Capuchins. He held two diocesan synods, in 1674 and 1676, He died on 3 May 1678, at the age of c. 64. Zigarelli, II, pp. 46-51. Ritzler-Sefrin, V, p. 256 with note 3.