The Osborne baronetcy, of Kiveton in the County of York, was created in the Baronetage of England on 13 July 1620.
The Osborne baronetcy, of Ballentaylor and Ballylemon in County Waterford, was created in the Baronetage of Ireland on 15 October 1629 for Richard Osborne.
The eleventh baronet voted against the Act of Union in 1799 in order to retain Ireland's independence from Great Britain and voted against it again in 1800 before the legislation was finally enacted.
[3] The former British Chancellor of the Exchequer, George Osborne, is heir apparent to his family's Irish baronetcy; the former family seat was Newtown Anner House, County Tipperary.
[4] The heir apparent is the present holder's eldest son George Osborne, who is the former chancellor of the exchequer.