William Alexander Aitken
William Alexander Aitken, also known as William Alexander Aitkin( – 1851), was a fur trader with the Ojibwe in the Upper Mississippi region.
He was at first affiliated with the American Fur Company, founded by John Jacob Astor, but after 1838 he set up as an independent trader, based in St. Louis, Missouri.
Mario Artistico
Mario Artistico( born 3 April 1985) is an Italian footballer who plays as a striker for Palmese.
Artistico has played for 16 clubs since the 2002 – 03 season, most of them in the Lega Pro. Mario is the brother of Edoardo, another striker.
William Pringle (footballer)
William Alexander Pringle (24 February 1932 – October 2006) was an English professional footballer who played as an inside forward.
William Galison
William Alexander Galison( born 19 February 1958) is an American harmonica player.
William Alexander McArthur
William Alexander McArthur( 1857 – 7 June 1923), was a British Liberal politician and businessman.
Bill Paterson (footballer, born 1930)
William Alexander Kennedy Paterson( 25 February 1930 – 9 November 2002) was a Scottish footballer, who played as a defender.
William Alexander Greenhill
William Alexander Greenhill( 1 January 1814, Stationers' Hall, London – 19 September 1894, Hastings) was an English physician, literary editor and sanitary reformer.
William Alexander Caruthers
William Alexander Caruthers( 1802–1846) was an American novelist.
William Alexander (poet)
William Alexander( 1808 – 1875) was an American poet and author.
Alex Wilson (baseball)
William Alexander Wilson( born November 3, 1986) is an American professional baseball pitcher who was born in Saudi Arabia.
He is currently a free agent.
He has played in Major League Baseball( MLB) for the Boston Red Sox, Detroit Tigers and Milwaukee Brewers.

Question: Who was born earlier, Mario Artistico or William Alexander Greenhill?
Answer: William Alexander Greenhill