The Bishop of Kilmacduagh was an episcopal

Episcopal polity

Episcopal polity is a form of church governance that is hierarchical in structure with the chief authority over a local Christian church resting in a bishop...

 title which took its name after the village of Kilmacduagh

Kilmacduagh

Kilmacduagh is a small village in south County Galway, near Gort, in Ireland. It is best known for Kilmacduagh monastery, seat of the Diocese of that name. The diocese is now part of the Diocese of Galway and Kilmacduagh in the Roman Catholic Church and in the Diocese of Limerick and Killaloe in...

 in County Galway

County Galway

County Galway is a county in Ireland. It is located in the West Region and is also part of the province of Connacht. It is named after the city of Galway. Galway County Council is the local authority for the county. There are several strongly Irish-speaking areas in the west of the county...

, Ireland

Republic of Ireland

Ireland , described as the Republic of Ireland , is a sovereign state in Europe occupying approximately five-sixths of the island of the same name. Its capital is Dublin. Ireland, which had a population of 4.58 million in 2011, is a constitutional republic governed as a parliamentary democracy,...

. In both the Church of Ireland

Church of Ireland

The Church of Ireland is an autonomous province of the Anglican Communion. The church operates in all parts of Ireland and is the second largest religious body on the island after the Roman Catholic Church...

 and the Roman Catholic Church

Roman Catholic Church

The Catholic Church, also known as the Roman Catholic Church, is the world's largest Christian church, with over a billion members. Led by the Pope, it defines its mission as spreading the gospel of Jesus Christ, administering the sacraments and exercising charity...

, the title is now united with other bishoprics.

History

In the seventh century, the monastery of Kilmacduagh

Kilmacduagh monastery

Kilmacduagh Monastery is found 5 km from the town of Gort in County Galway, Ireland. It was the birthplace of the Diocese of Kilmacduagh, whose name means "church of Duagh's son"...

 was founded by Saint Colman, son of Duagh. It was not until 1152 that the Diocese

Diocese

A diocese is the district or see under the supervision of a bishop. It is divided into parishes.An archdiocese is more significant than a diocese. An archdiocese is presided over by an archbishop whose see may have or had importance due to size or historical significance...

 of Kilmacduagh was established at the Synod of Kells. After the Reformation

English Reformation

The English Reformation was the series of events in 16th-century England by which the Church of England broke away from the authority of the Pope and the Roman Catholic Church....

, there were parallel apostolic succession

Apostolic Succession

Apostolic succession is a doctrine, held by some Christian denominations, which asserts that the chosen successors of the Twelve Apostles, from the first century to the present day, have inherited the spiritual, ecclesiastical and sacramental authority, power, and responsibility that were...

s.

In the Church of Ireland
The Church of Ireland

Church of Ireland

The Church of Ireland is an autonomous province of the Anglican Communion. The church operates in all parts of Ireland and is the second largest religious body on the island after the Roman Catholic Church...

 bishopric of Kilmacduagh was united with Clonfert to form the united bishopric of Clonfert and Kilmacduagh

Bishop of Clonfert and Kilmacduagh

The Bishop of Clonfert and Kilmacduagh was the Ordinary of the Church of Ireland diocese of Clonfert and Kilmacduagh, comprising the southern part of County Galway and a small area of County Roscommon, Ireland.-History:...

 in 1625. Under the Church Temporalities (Ireland) Act 1833, the united see

Episcopal See

An episcopal see is, in the original sense, the official seat of a bishop. This seat, which is also referred to as the bishop's cathedra, is placed in the bishop's principal church, which is therefore called the bishop's cathedral...

 became part of the bishopric of Killaloe and Clonfert

Bishop of Killaloe and Clonfert

The Bishop of Killaloe and Clonfert was the Ordinary of the Church of Ireland diocese of Killaloe and Clonfert; comprising all of County Clare and part of counties of Tipperary, Galway and Roscommon, Ireland.-History:Under the Church Temporalities Act 1833, the Episcopal see was a union of the...

 in 1834. Since 1976, Kilmacduagh has been one of the sees held by the Bishop of Limerick and Killaloe

Bishop of Limerick and Killaloe

The Bishop of Limerick and Killaloe is the Church of Ireland Ordinary of the united Diocese of Limerick and Killaloe in the Province of Dublin....

.

In the Roman Catholic Church
The Roman Catholic Church

Roman Catholic Church

The Catholic Church, also known as the Roman Catholic Church, is the world's largest Christian church, with over a billion members. Led by the Pope, it defines its mission as spreading the gospel of Jesus Christ, administering the sacraments and exercising charity...

 bishopric of Kilmacduagh continued as a separate title until 1750 when Pope Benedict XIV

Pope Benedict XIV

Pope Benedict XIV , born Prospero Lorenzo Lambertini, was Pope from 17 August 1740 to 3 May 1758.-Life:...

 decreed that it to be united with the bishopric of Kilfenora

Bishop of Kilfenora

The Bishop of Kilfenora was a separate episcopal title which took its name after the village of Kilfenora in County Clare, Ireland. In both the Church of Ireland and the Roman Catholic Church, the title is now united with other bishoprics.-History:...

. The bishop of the united dioceses was to be alternately bishop of one diocese and apostolic administrator

Apostolic Administrator

An apostolic administrator in the Roman Catholic Church is a prelate appointed by the Pope to serve as the ordinary for an apostolic administration...

 of the other, since the two dioceses were in different ecclesiastical province

Ecclesiastical Province

An ecclesiastical province is a large jurisdiction of religious government, so named by analogy with a secular province, existing in certain hierarchical Christian churches, especially in the Catholic Church and Orthodox Churches and in the Anglican Communion...

s. The first bishop under this new arrangement was Peter Kilkelly, who had been Bishop of Kilmacduagh since 1744, became Apostolic Administrator

Apostolic Administrator

An apostolic administrator in the Roman Catholic Church is a prelate appointed by the Pope to serve as the ordinary for an apostolic administration...

 of Kilfenora in September 1750. Since 1883, the two sees have been part of the united Diocese of Galway, Kilmacduagh and Kilfenora

Roman Catholic Diocese of Galway, Kilmacduagh and Kilfenora

The Roman Catholic Diocese of Galway, Kilmacduagh and Kilfenora is a Roman Catholic diocese in the western part of Ireland. It is in the Metropolitan Province of Tuam and is subject to the Metropolitan Archdiocese of Tuam...

.

Pre-Reformation bishops

Pre-Reformation Bishops of Kilmacduagh
From	Until	Incumbent	Notes
unknown	1137	?Ua Clérig	Died in office
unknown	1176	Ímar Ua Ruaidín Ímar Ua Ruaidín Ímar Ua Ruaidín, Bishop of Kilmacduagh, died 1176.Ua Ruaidín was of one of two apparently unrelated families, based in what would become County Mayo and County Galway, respectively. The Galway family was of the Ui Maine. The Mayo family sometimes appears as Rowah...	Died in office
before 1179	1204	Mac Gilla Cellaig Ua Ruaidín Mac Gilla Cellaig Ua Ruaidín Mac Gilla Cellaig Ua Ruaidín, Bishop of Kilmacduagh, died 1204.Ua Ruaidín was of one of two apparently unrelated families, based in what would become County Mayo and County Galway, respectively. The Galway family was of the Ui Maine. The Mayo family sometimes appears as Rowah. Both versions are...	Died in office
1206	1215	I. Ua Cellaig	Elected bishop before February 1206; died 1215
unknown	1224	Máel Muire Ó Connaig Máel Muire Ó Connaig Máel Muire Ó Connaig, Bishop of Kilmacduagh, died 1224.Máel Muire Ó Connaig may have been the first of a number of a number of members of the same family who occupied the see. Énri Ó Connmhaigh Máel Muire Ó Connaig, Bishop of Kilmacduagh, died 1224.Máel Muire Ó Connaig may have been the first of a...	Died in office
1227	unknown	Áed	Formerly Precentor of Kilmacduagh; elected before 12 May 1227 and received possession of the temporalities Temporalities Temporalities are the secular properties and possessions of the Christian Church. It is most often used to describe those properties that were used to support a bishop or other religious person or establishment. Its opposite description would be the spiritualities.In the Middle Ages, the...  after that date; date of death or end of episcopate unknown; also known as Odo
unknown	1247	Conchobar Ó Muirdaig Conchobar Ó Muirdaig Conchobar Ó Muirdaig was Bishop of Kilmacduagh.Ó Muirdaig's surname is a common one in Ireland, variantly written as Ó Muireachaidh. The most prominent Connacht family of the name were natives of the kingdom Uí Maine...	Died in office
1248	1253	Gilla Cellaig Ó Ruaidín Gilla Cellaig Ó Ruaidín Gilla Cellaig Ó Ruaidín, aka Gilbert Ó Ruane, Bishop of Kilmacduagh, died 1204.Ó Ruaidín was the third apparent member of his family to serve as Bishop of Kilmacduagh, and the last. His family were one of two apparently unrelated families, based in what would become County Mayo and County Galway,...	Elected before 5 May 1248 and received possession of the temporalities after that date; died before 10 November 1253; also known as Gillebertus
1254	1284	Mauricius Ó Leaáin Mauricius Ó Leaáin Mauricius Ó Leaáin, Bishop of Kilmacduagh 1254-1284. Ó Leaáin is associated with the Oranmore-Clarenbridge are of County Galway. He was the first of three men of the surname to become bishop of Kilmacduagh....	Elected before 15 May 1254 and received possession of the temporalities after that date; died before 16 January 1284
1284	1290	David Ó Sétacháin David Ó Sétacháin David Ó Sétacháin, Bishop of Kilmacduagh, died 1290.David Ó Sétacháin was elected and received possession of the temporalities after 27 March 1284. He died before 13 June 1290.-References:* http://www.ucc.ie/celt/published/T100005C/...	Elected and received possession of the temporalities after 27 March 1284; died before 13 June 1290
1290	1307	Lúrint Ó Lachtnáin Lúrint Ó Lachtnáin Lúrint Ó Lachtnáin , also known as Laurentius, was elected Bishop of Kilmacduagh before August 10, 1290 and received possession of the temporalities after that date...	Formerly Abbot of Knockmoy; elected bishop before 10 August 1290 and received possession of the temporalities after that date; died before 1 March 1307; also known as Laurentius
c.1307	1325	Lucas	Elected bishop circa 1307; died 1325
1326	c.1357	Johannes	Elected before May 1326 and received possession of the temporalities on 14 May 1326; died circa 1357
1358	1393	Nicol Ó Leaáin Nicol Ó Leaáin Nicol Ó Leaáin, Bishop of Kilmacduagh 1358-1393. Ó Leaáin is associated with the Oranmore-Clarenbridge are of County Galway.Ó Leaáin was appointed 16 November 1358 and consecrated in 1360...	Appointed 16 November 1358 and consecrated in 1360; died before October 1393
1394	1397	Gregorius Ó Leaáin Gregorius Ó Leaáin Nicol Ó Leaáin, Bishop of Kilmacduagh 1394-1397. Ó Leaáin is associated with the Oranmore-Clarenbridge area of County Galway....	Appointed 14 October 1393 and consecrated circa 1394; confirmed bishop 30 August 1396; died 1397
1397	1405	See vacant
1405	unknown	Énri Ó Connmhaigh Énri Ó Connmhaigh Énri Ó Connmhaigh, Bishop of Clonfert and Bishop of Kilmacduagh, fl. 1405.Bishop Ó Connmhaigh was one of at least two bearers of the surname Énri Ó Connmhaigh, Bishop of Clonfert and Bishop of Kilmacduagh, fl. 1405.Bishop Ó Connmhaigh was one of at least two bearers of the surname Énri Ó...	Translated from Clonfert 11 March 1405; date of death or end of episcopate unknown
unknown	1410	Dionysius	Died circa May 1410
1409	1418	Eugenius Ó Faoláin Eugenius Ó Faoláin Eugenius Ó Faoláin, Bishop of Kilmacduagh, 1409-1418.Appointed 23 September 1409 , he was translated to Killaloe on 6 July 1418.His surname is anglacised as Whelan and Phelan...	Appointed 23 September 1409 (papal bulls expediated 25 May 1410; translated to Bishop of Killaloe 6 July 1418
1418	1419	Diamaid Ó Donnchadha	Appointed and consecrated circa July 1418; died before October 1419
1419		(Nicol Ó Duibhghiolla Nicol Ó Duibhghiolla Nicol Ó Duibhghiolla, Bishop of Kilmacduagh, 1419.Nicol Ó Duibhghiolla was appointed bishop before October 1419, replacing the late Diamaid Ó Donnchadha , but never consecrated... )	Elected before October 1419, but did not take effect
1419	1441	Seaán Ó Connmhaigh Seaán Ó Connmhaigh Seaán Ó Connmhaigh, Bishop of Clonfert and Bishop of Kilmacduagh, 1419-1441.Bishop Ó Connmhaigh was one of at least two bearers of the surname Seaán Ó Connmhaigh, Bishop of Clonfert and Bishop of Kilmacduagh, 1419-1441.Bishop Ó Connmhaigh was one of at least two bearers of the surname Seaán Ó...	Appointed 23 October 1419; died before May 1441
1441	1478	Dionysius Ó Donnchadha Dionysius Ó Donnchadha Dionysius Ó Donnchadha, Bishop of Kilmacduagh, 1441-1478.Nothing appears to be known of this bishop's term. A Diarmaid Ó Donnchadha became bishop of the same diocese in 1418.-References:* http://www.ucc.ie/celt/published/T100005C/...	Appointed 10 May 1441; died before December 1478
1479	1503	Cornelius "'O'Mullony"	Appointed 8 January 1479; resigned 8 March 1503; possibly was surnamed Ó Maoldomhnaigh
1503	1533	Matthaeus Ó Briain	Appointed 8 March 1503; died before August 1533
1533		(Malachias O'Mallony)	Appointed 8 August 1533, but did not take effect

Bishops during the Reformation

Bishops of Kilmacduagh during the Reformation
From	Until	Incumbent	Notes
1533	1542	Christopher Bodkin Christopher Bodkin The Most Reverend Christopher Bodkin was an Irish clergyman who served as Archbishop of Tuam and Bishop of Kilmacduagh during the Reformation....	Appointed 3 September and consecrated 4 November 1533; accepted royal supremacy and appointed Church of Ireland Archbishop of Tuam Archbishop of Tuam The Archbishop of Tuam is an archiepiscopal title which takes its name after the town of Tuam in County Galway, Ireland. The title was used by the Church of Ireland until 1839, and is still in use by the Roman Catholic Church.-History:...  by King Henry VIII Henry VIII of England Henry VIII was King of England from 21 April 1509 until his death. He was Lord, and later King, of Ireland, as well as continuing the nominal claim by the English monarchs to the Kingdom of France...  on 15 February 1537, but continued to hold Kilmacduagh; absolved from schism Protestant Reformation The Protestant Reformation was a 16th-century split within Western Christianity initiated by Martin Luther, John Calvin and other early Protestants. The efforts of the self-described "reformers", who objected to the doctrines, rituals and ecclesiastical structure of the Roman Catholic Church, led...  by Cardinal Pole and appointed Roman Catholic apostolic administrator Apostolic Administrator An apostolic administrator in the Roman Catholic Church is a prelate appointed by the Pope to serve as the ordinary for an apostolic administration...  of Tuam and Kilmacduagh 7 October 1555; died in office in 1572; also known as Christopher Bobkyn or Bodekin
1542	1555	Cornelius O'Dea	Appointed Roman Catholic bishop by the Holy See Holy See The Holy See is the episcopal jurisdiction of the Catholic Church in Rome, in which its Bishop is commonly known as the Pope. It is the preeminent episcopal see of the Catholic Church, forming the central government of the Church. As such, diplomatically, and in other spheres the Holy See acts and...  on 5 May 1542 in opposition to Bodkin, but was unable to get possession of the see; not known if he was ever consecrated; resigned when Bodkin was absolved in 1555

Church of Ireland succession

Church of Ireland Bishops of Kilmacduagh
From	Until	Incumbent	Notes
1573	1582	Stephen Kirwan Stephen Kirwan Stephen Kirwan was a Irish Anglican. He was Church of Ireland bishop of Clonfert from 1582 until before 4 November 1601.-Life and career:...	Nominated 9 January 1572 and appointed by letters patent Letters patent Letters patent are a type of legal instrument in the form of a published written order issued by a monarch or president, generally granting an office, right, monopoly, title, or status to a person or corporation...  13 April 1573; translated to Clonfert 24 May 1582; also known as Stephen Kerovan and O'Kirwan
1582	1585	See vacant
1585		(Thomas Burke)	Referred as the bishop-elect in 1585, but was not consecrated
1585	1587	See vacant
1587	1625	Roland Lynch	Nominated 9 January and consecrated in August 1587; also held in commendam In Commendam In canon law, commendam was a form of transferring an ecclesiastical benefice in trust to the custody of a patron...  the see of Clonfert 1602-1626; died in December 1625
In 1626, the Church of Ireland see became part of the united the bishopric of Clonfert and Kilmacduagh Bishop of Clonfert and Kilmacduagh The Bishop of Clonfert and Kilmacduagh was the Ordinary of the Church of Ireland diocese of Clonfert and Kilmacduagh, comprising the southern part of County Galway and a small area of County Roscommon, Ireland.-History:...

Roman Catholic succession

Roman Catholic Bishops of Kilmacduagh
From	Until	Incumbent	Notes
1576	1610	Malachy O'Moloney	Translated from Killaloe 22 August 1576; died 1610
1610	1629	See vacant
1629	unknown	Oliver Burke, O.P.	Appointed vicar apostolic by papal brief Papal brief The Papal Brief is a formal document emanating from the Pope, in a somewhat simpler and more modern form than a Papal Bull.-History:The introduction of briefs, which occurred at the beginning of the pontificate of Pope Eugenius IV , was clearly prompted for the same desire for greater simplicity...  28 November 1629
1647	1656	Hugh Burke, O.F.M.	Appointed 11 March 1647; died circa 1656
1671	unknown	'Michael Lynch	Appointed vicar apostolic by papal brief 30 June 1671
1703	1713	Ambrose Madden Ambrose Madden Ambrose Madden VC was born in Cork and was an Irish recipient of the Victoria Cross, the highest and most prestigious award for gallantry in the face of the enemy that can be awarded to British and Commonwealth forces.-Details:...	Translated from Killala Bishop of Killala The Bishop of Killala is an episcopal title which takes its name after the town of Killala in County Mayo, Ireland. In the Roman Catholic Church it remains a separate title, but in the Church of Ireland it has been united with other bishoprics.-History:... ; appointed 15 November 1703 and again 15 March 1707, but was not consecrated and probably acted as administrator; translated to Clonfert 15 September 1713
1713	1720	See vacant
1720	unknown	Francis de Burgo	Appointed 5 June and consecrated 1 May 1720; death date or end of episcopate unknown
1723	1732	Bernard O'Hara, O.F.M.	Appointed December 1723; died before November 1732
1732	unknown	Martin (Milo) Burke	Appointed 22 November 1732; consecrated 8 March 1733; death date or end of episcopate unknown
1744	1783	Peter Killikelly, O.P.	Appointed 22 June and consecrated 14 October 1744; also became Apostolic Administrator of Kilfenora when the two dioceses united in September 1750; died 29 May 1783
In 1750, the Roman Catholic see became part of the united bishopric of Kilmacduagh and Kilfenora Bishop of Kilmacduagh and Kilfenora The Bishop and Apostolic Administrator of Kilmacduagh and Kilfenora was an episcopal title which took its name after the small villages of Kilmacduagh in County Galway and Kilfenora in County Clare, Ireland...