Titular see

A titular see in various churches is an episcopal see of a former diocese that no longer functions, sometimes called a "dead diocese". The ordinary or hierarch of such a see may be styled a "titular metropolitan" (highest rank), "titular archbishop" (intermediary rank) or "titular bishop" (lowest rank), which normally goes by the status conferred on the titular see.

Titular sees are dioceses that no longer functionally exist, often because the territory was conquered by Muslims or because it is schismatic. The Greek–Turkish population exchange of 1923 also contributed to titular sees. The see of Maximianoupolis along with the town that shared its name was destroyed by the Bulgarians under Emperor Kaloyan in 1207; the town and the see were under the control of the Latin Empire, which took Constantinople during the Fourth Crusade in 1204. Parthenia, in north Africa, was abandoned and swallowed by desert sand.

During the Muslim conquests of the Middle East and North Africa, some bishops fled to Christian-ruled areas. Even if they did not return and the Christian population of their dioceses dispersed, were killed or abandoned the Catholic faith, they continued to be seen as the bishops of those dioceses, who could give rise, even after long interruption (exile and/or vacancy), to a 'restored' line of apostolic succession on each see.^{[citation needed]}

The Ordinary or hierarch of a Catholic titular see may be styled a "Titular Metropolitan" (highest rank), "Titular Archbishop" (intermediary rank) or "titular bishop" (lowest rank), which normally goes by the status conferred on the titular see (mostly corresponding to its historical rank), but exceptions ad hoc are currently made on a regular basis, either above or below the titular see's rank, while titular sees have repeatedly been promoted or demoted.^{[citation needed]}

There are practical advantages in certain circumstances in not establishing a permanent diocese in a given territory, for reasons of the limited size of the Catholic population, its lack of permanence, the likelihood of having to divide the jurisdiction in the near future, and so on. In these circumstances the Catholic Church establishes sometimes not a diocese but a canonical jurisdiction of another kind. This may be, for example, a Mission sui iuris, an Apostolic Administration (permanently constituted), an Ordinariate, a Prefecture Apostolic, a territorial Abbey, a Vicariate Apostolic, or a Prelature. The ecclesiastic placed in charge of one of these jurisdictions has a corresponding title, such as Superior of a Mission sui iuris, Apostolic Administrator, Ordinary, Prefect Apostolic, territorial Abbot, Vicar Apostolic, or Prelate. The ecclesiastic may be in priestly or episcopal orders. In recent practice an Apostolic Administrator, Vicar Apostolic, or Prelate (in this precise sense) is often appointed (and consecrated) a bishop. If that happens he is assigned a titular see, in addition to his status as head of the territorial jurisdiction. the appointment as bishop is less likely in the case of a Superior of a Mission sui iuris, or a Prefect Apostolic, but may happen, especially when a man who is already a bishop governing a particular jurisdiction is appointed cumulatively to govern one of these others. A particular territory may have its canonical status changed more than once, or may be united to a neighbouring territory or subdivided, according to developing circumstances. An example might be the uniting on November 30, 1987, of two Egyptian vicariates apostolic, Heliopolis of Egypt and Port Said, to become the single Vicariate Apostolic of Alexandria of Egypt–Heliopolis of Egypt–Port Said, governed by Egypt's only Latin Ordinary at present. A different example would be the division, on 6 July 6, 1992, of the Ghanaian diocese of Accra, to separate from its territory the new diocese of Koforidua. At the same date, the diocese of Accra became a Metropolitan Archdiocese.

After a name change, an abandoned name may be 'restored' as a titular see, even though a residential successor see exist(ed). Furthermore, the Catholic Church may create more than one titular see named after a single city, by creating one or more lines of apostolic succession assigned to the Latin and/or one or more Eastern Catholic rites, which are not necessarily of the same rank.

It was formerly the practice to add the term in partibus infidelium, often shortened to in partibus or i.p.i., meaning "in the lands of the unbelievers", to the name of the see conferred on titular (non-diocesan) Latin Church bishops. Formerly, when bishops fled from invading Muslims, they were welcomed by other churches, while preserving their titles and their rights to their own dioceses. They were entrusted with the administration of vacant sees of other dioceses, or with assisting in such government of a see which already had a residential bishop. In later days it was deemed fitting to preserve the memory of ancient Christian churches which no longer existed; this was done by giving their names to auxiliary bishops or bishops in missionary countries. These bishops did not reside in the sees whose titles they bore, nor could they exercise any power over them, and are not entrusted with their care. They are therefore called titular bishops, as opposed to diocesan bishops, and the sees themselves are called titular sees, as opposed to residential sees.

The regular appointment of titular bishops is said to date back to the time of the Fifth Lateran Council, in 1514; cardinals alone were authorized to ask for titular bishops to be appointed to assist them in their dioceses. Pope Pius V extended the privilege to all sees in which it had become customary to have auxiliary bishops. Since then the practice has become more widespread.