Niall Diarmid Campbell, 10th Duke of Argyll (S), 3rd Duke of Argyll (UK)
Born: 16 Feb 1872
Only son of Lord Archibald Campbell, second son of the 8th Duke, died unmarried and without issue.
Succeeded by: 1st cousin once removed (aka: 2nd cousin) Ian Douglas Campbell, 11th Duke of Argyll (S), 4th Duke of Argyll (UK)
Died: 20 Aug 1949