William James Peake Mason, 1st Baron Blackford JP (11 November 1862 – 21 July 1947), known as Sir William Mason, Bt, between 1918 and 1935, was a British politician and public servant.
[1] In 1910 he unsuccessfully contested Finsbury East as a Conservative in both general elections of that year.
[citation needed] During the First World War he was Chairman of Executive of the British Ambulance Committee and was created a Baronet in 1918 for "public and local services".
[6] Lord Blackford married Edith, daughter of Alexander Murray Affleck, in 1885.
He died in July 1947, aged 84, and was succeeded in the baronetcy and barony by his son, Glyn.