Bishop John O'Brien was an Irish

Irish people

The Irish people are an ethnic group who originate in Ireland, an island in northwestern Europe. Ireland has been populated for around 9,000 years , with the Irish people's earliest ancestors recorded having legends of being descended from groups such as the Nemedians, Fomorians, Fir Bolg, Tuatha...

 bishop of the Roman Catholic Diocese Cork and Cloyne

Bishop of Cork and Cloyne

The Bishop of Cork and Cloyne was an episcopal title which took its name after the city of Cork and the town of Cloyne in southern Ireland.-History:The see was formed by the union of the bishoprics of Cork and Cloyne in 1429...

. He was also appointed as the vicar general

Vicar general

A vicar general is the principal deputy of the bishop of a diocese for the exercise of administrative authority. As vicar of the bishop, the vicar general exercises the bishop's ordinary executive power over the entire diocese and, thus, is the highest official in a diocese or other particular...

 of Cork, Cloyne and Ross. O'Brien appealed to the Pope

Pope

The Pope is the Bishop of Rome, a position that makes him the leader of the worldwide Catholic Church . In the Catholic Church, the Pope is regarded as the successor of Saint Peter, the Apostle...

for financial assistance in compiling an Irish-English dictionary. He argued the dictionary was needed for the preservation of Catholicism in Ireland, primarily for the use of young priests beginning their work there. Focaloir Gaoidhilge-Sax-Bearha or 'The Irish-English Dictionary' was published in 1768.