The Italian language version of the phrase – in petto – is also commonly used.
# Antonio Tosti, treasury general of the Apostolic Camera (in pectore published on 18 February 1839) – cardinal priest of S. Pietro in Montorio (received the title on 21 February 1839), died 20 March 1866
# Angelo Mai, secretary of S. C. Propaganda Fide (in pectore, published on 12 February 1838) – cardinal priest of S. Anastasia (received the title on 15 February 1838), died 9 September 1854