Viscount Newhaven
Viscount Newhaven was a title in the Peerage of Ireland.
The title was created in 1681 for Charles Cheyne or Cheyney, who was also Clerk of the Pipe. He married Lady Jane Cavendish, daughter of the first Duke of Newcastle and had a son William Cheyne, who became 2nd Viscount Newhaven. William was a landowner in Chelsea, London, having purchased Henry VIII's palace. He died leaving no male heir. The title of Viscount Newhaven became extinct 1738.