Lord Headley, Baron Allanson and Winn, of Aghadoe in the County of Kerry, was a title in the Peerage of Ireland. It was created in 1797 for Sir George Allanson-Winn, 1st Baronet, a former Baron of the Court of the Exchequer and Member of Parliament for Ripon. He had already been created a Baronet, of Little Warley in the County of Essex, in the Baronetage of Great Britain on 14 September 1776. His son, Charles Winn-Allanson, 2nd Baron Headley, represented Ripon, Malton and Ludgershall in Parliament. In 1833 he succeeded a distant relative as 8th Baronet, of Nostel (see below). His nephew, the third Baron (the son of the Honourable , MP for Malton), sat in the House of Lords as an Irish Representative Peer from 1868 to 1877. His son, the fourth Baron, was an Irish Representative Peer from 1