John Brullaghhaun (John O'Brolchain) was an Irish prelate of the Roman Catholic Church in the mid 18th century.G Catholic
/ref> Brullaghhaun was born in

County Londonderry County Londonderry ( Ulster-Scots: ''Coontie Lunnonderrie''), also known as County Derry ( ga, Contae Dhoire), is one of the six counties of Northern Ireland, one of the thirty two counties of Ireland and one of the nine counties of Ulster. B ...

. He was educated at Douai, Flanders. He served as Bishop of Derry from 1749 until his death a year later., ''The Episcopal Succession in England, Scotland and Ireland, volume 1'', p. 230 and 320.

References

1750 deaths 18th-century Roman Catholic bishops in Ireland 18th-century Irish bishops Roman Catholic bishops of Derry Year of birth unknown Christian clergy from County Londonderry {{Ireland-RC-bishop-stub