Baron Brereton, of Leighlin in the County of Carlow, was a title in the Peerage of Ireland created on 11 May 1624, for Sir William Brereton of Brereton, Cheshire.
Baron Brereton was a title in the Peerage of Ireland. This was for Sir William Brereton of Brereton, Cheshire. This was of Leighlin in the County of Carlow. This Ireland was created on 11 May 1624.