Viscount Greenwood, of Holbourne in the County of London, was a title in the Peerage of the United Kingdom. It was created in 1937 for the politician Hamar Greenwood, the last Chief Secretary for Ireland. He had already been created a Baronet in 1915 and Baron Greenwood, of Llanbister in the County of Radnor, in 1929. The titles became extinct upon the death of his second son, the third Viscount, in 2003. The Peerage of the United Kingdom comprises most peerages created in the United Kingdom of Great Britain and Ireland after the Act of Union in 1801. ... 1937 was a common year starting on Friday (link will take you to calendar). ... The Chief Secretary was the most important position for determining Ireland after the Lord Lieutenant, and was frequently a cabinet level position in the 19th and early twentieth centuries. ... 2003 (MMIII) is a common year starting on Wednesday of the Gregorian calendar. ...