Mathara was an Ancient city and suffragan bishopric in the Roman province of Numidia, in present Algeria.
In 1933, the bishopric was nominally revived as titular see, of the lowest (episcopal) rank, with a single exception, the present, archiepiscopal incumbent.
It had following incumbents, mostly Latin :
Alois Schwarz (1996.12.27 – 2001.05.22)
Laurenz Böggering (1967.07.25 – 1996.01.10)
David Motiuk (2002.04.05 – 2007.01.25)
Franz-Josef Overbeck (2007.07.18 – 2009.10.28)
Lisane-Christos Matheos Semahun (2010.01.05 – 2015.01.19), then auxiliary eparch of the Eastern Catholic (Alexandrian Rite) Metropolitan Ethiopian Catholic Archeparchy of Addis Abeba; next appointed suffragan of that Metropolitan in the newly created Ethiopian Catholic Eparchy of Bahir Dar–Dessie
Titular Archbishop Ghaleb Moussa Abdalla Bader (2015.05.23 – ...), Apostolic Nuncio to Pakistan
