There have been four baronetcies created for persons with the surname O'Brien, one in the Baronetage of Ireland and three in the Baronetage of the United Kingdom.
Contents
- OBrien baronets of Leaghmenagh 1686
- OBrien baronets of Merrion Square and Boris in Ossory 1849
- OBrien baronets 1891
- OBrien baronets 1916
- References
The O'Brien Baronetcy, of Leaghmenagh in the County of Clare, was created in the Baronetage of Ireland on 9 November 1686. For more information on this creation, see the Baron Inchiquin.
The O'Brien Baronetcy, of Merrion Square in Dublin and Boris-in-Ossory in Queen's County, was created in the Baronetage of the United Kingdom on 25 September 1849 for Timothy O'Brien. He was a merchant, Lord Mayor of Dublin and Liberal Member of Parliament for Cashel. The second Baronet represented King's County in the House of Commons as a Liberal for over thirty years. The third Baronet was a Deputy Lieutenant of County Cork. As of 2007 the presumed seventh and present Baronet has not successfully proven his succession and is therefore not on the Official Roll of the Baronetage, with the baronetcy considered dormant. For more information, follow this link.
The O'Brien Baronetcy was created in the Baronetage of the United Kingdom on 28 September 1891. For more information on this creation, see the Baron O'Brien.
The O'Brien Baronetcy was created in the Baronetage of the United Kingdom on 15 January 1916. For more information on this creation, see the Baron Shandon.
O'Brien baronets of Leaghmenagh (1686)
O'Brien baronets, of Merrion Square and Boris-in-Ossory (1849)
The baronetcy is presently considered Dormant as the present holder has not proven his claim to the title.
The heir presumptive to the 7th Baronet is the second and youngest son of the 6th Baronet, James Patrick O'Brien (born 1964).