Titular see

The diocese was nominally restored in 1933 as a Latin Catholic titular bishopric of Hilta (Latin) / Ilta (Curiate Italian) / Hilten(sis) (Latin adjective).

It has had the following incumbents, so far of the fitting Episcopal (lowest) rank :

• Norberto Forero y García (1951.07.07 – 1956.05.27) as Auxiliary Bishop of Diocese of Nueva Pamplona (Colombia) (1951.07.07 – 1956.05.27); later Bishop of Santa Marta (Colombia) (1956.05.27 – retired 1971.06.02), died 1981
• Napoléon-Alexandre Labrie, Eudists (C.I.M.) (1956.12.07 – resigned 1970.11.23) as emeritate, died 1973; previously Titular Bishop of Limata (1938.03.30 – 1945.12.22) as last Apostolic Vicar of Golfe Saint-Laurent (Canada) (1938.03.30 – 1945.11.24), (see) promoted as first Bishop of Golfe Saint-Laurent (now Diocese of Baie-Comeau) (1945.11.24 – 1956.12.07)
• Józef Kazimierz Kluz (1972.05.12 – death 1982.12.05) as Auxiliary Bishop of Diocese of Gdańsk (Danzig, Poland) (1972.05.12 – 1982.12.05)
• Rafael Eleuterio Rey (1983.04.30 – 1991.12.18) as Auxiliary Bishop of Archdiocese of Mendoza (Argentina) (1983.04.30 – 1991.12.18); later Bishop of Zárate-Campana (Argentina) (1991.12.18 – retired 2006.02.03)
• Thomas Nguyễn Văn Trâm (1992.03.06 – 2005.11.22) as Auxiliary Bishop of Xuân Lộc (Vietnam) (1992.03.06 – 2005.11.22); later first Bishop of daughter see Bà Rịa (Vietnam) (2005.11.22 – retired 2017.05.06)
• Jean-Abdo Arbach, Basilian Chouerite Order of Saint John the Baptist (B.C.) (2006.10.17 – 2006.11.11), as Apostolic Exarch of Argentina of the Greek-Melkites (2006.10.17 – 2012.06.23), as such next Titular Bishop of Palmyra of the Greek-Melkites (2006.11.11 – 2012.06.23), later Metropolitan Archbishop of Homs of the Greek-Melkites (Syria) (2012.06.23 – ...)
• Christophe Zoa (2006.11.30 – 2008.12.04) as Auxiliary Bishop of Archdiocese of Yaoundé (Cameroon) (2006.11.30 – 2008.12.04); later Bishop of Sangmélima (Cameroon) (2008.12.04 – ...)
• Gérald Cyprien Lacroix, Secular Institute Pius X (I.S.P.X.) (2009.04.07 – 2011.02.22) as Auxiliary Bishop of Quebec (Canada) (2009.04.07 – 2011.02.22), later succeeding as Metropolitan Archbishop of Quebec (2011.02.22 – ...), created Cardinal-Priest of S. Giuseppe all’Aurelio (2014.02.22 [2014.06.22] – ...)
• John Sherrington (2011.06.30 – 2025.04.05), as Auxiliary Bishop of Westminster (England, UK) (2011.06.30 – 2025.04.05), later succeeding as Metropolitan Archbishop of Liverpool (2025.04.05 - ...)