James Arthur Mathewson
James Arthur Mathewson (June 26, 1890 – August 23, 1963) was a Canadian politician.
Born in Montreal, Quebec, Mathewson received a Bachelor of Arts degree in 1912 and a Bachelor of Civil Law degree in 1917 from McGill University.
He was called to the Quebec Bar in 1917.
He was a captain in the 42nd Battalion Royal Highlanders of Canada during World War I. After the war, he was a lawyer in Montreal.
He was created a King's Counsel in 1926.
He was a member of the Montreal City Council for Saint-André from 1926 to 1930.
He ran unsuccessfully for mayor in 1930 losing to Camillien Houde.
He was the Liberal member of the Legislative Assembly of Quebec for Montréal–Notre-Dame-de-Grâce from 1939 to 1948.
He was treasurer of Quebec from 1939 to 1944.
He was awarded an honorary doctorate degree from McGill University in 1943.
Arthur Butler, 6th Marquess of Ormonde
James Arthur Norman Butler, 6th Marquess of Ormonde, CVO, MC( 25 April 1893 – 1971) was a British peer.
He was the son of James Arthur Wellington Foley Butler, 4th Marquess of Ormonde.
Jim Bennett (historian)
James Arthur Bennett( born 1947) is a retired museum curator and historian of science.
Jim Kjelgaard
James Arthur Kjelgaard( December 6, 1910 – July 12, 1959) was an American author of young adult literature.
Jim Carlin
James Arthur Carlin( February 23, 1918 – November 29, 2003) was a Major League Baseball outfielder.
Garrett Eckbo
Garrett Eckbo (November 28, 1910 – May 14, 2000) was an American landscape architect notable for his seminal 1950 book "Landscape for Living".
James Arthur O'Connor
James Arthur O'Connor( 1792 – 7 January 1841) was an Irish painter.
James Margolis
James Arthur Margolis( born July 17, 1936) is an American Olympic épée fencer.
Jim Fox (Canadian Army officer)
Lieutenant General James Arthur Fox CMM, CD was the Commander, Mobile Command of the Canadian Forces.
Jim Bradley (basketball)
James Arthur Bradley( March 16, 1952 – February 20, 1982) was an American basketball player.

Question: Who died first, James Arthur Mathewson or Garrett Eckbo?
Answer: James Arthur Mathewson