Doug Morrison
Doug Morrison( born February 1, 1960 in Vancouver, British Columbia) is a professional ice hockey player who played 23 games in the National Hockey League.
He played with the Boston Bruins.
Scored seven goals and three assists.
Doug is the brother of Mark Morrison( ice hockey, born 1963).
Billy Brennan
William Patrick Brennan( born 13 January 1934 in Paisley, Scotland, United Kingdom) is a retired ice hockey player who played in Scotland and for the Great Britain national ice hockey team.
He is a member of the British Ice Hockey Hall of Fame.
Kevin O'Connor (footballer, born 1995)
Kevin Patrick O'Connor( born 7 May 1995) is an Irish footballer who plays as a full- back for Preston North End.
Dennis Smith (ice hockey)
Dennis Smith( born July 27, 1964 in Livonia, Michigan) is a former American professional ice hockey defenseman who played for the Washington Capitals and Los Angeles Kings in the National Hockey League( NHL).
Bernard Connor
Bernard Connor or O'Connor M.D.( c. 1666–1698) was an Irish physician and historian.
William Patrick O'Connor
William Patrick O'Connor( October 18, 1886 – July 13, 1973), was an American prelate of the Roman Catholic Church who served as the fifth Bishop of the Diocese of Superior( 1942 – 46) and the first bishop of the Diocese of Madison( 1946 – 67).
Henry Moore (cricketer)
Henry Walter Moore( 1849 – 20 August 1916) was an English- born first- class cricketer who spent most of his life in New Zealand.
Michael P. O'Connor
" For the Michael Patrick O'Connor who was an Irish doctor, author and broadcaster, see Michael P. O'Connor( writer)"
Michael Patrick O'Connor( September 29, 1831 – April 26, 1881) was a U.S. Representative from South Carolina.
William S. Patrick
William S. Patrick was a Michigan politician.
Bill O'Connor (basketball)
William Martin O'Connor or Bill O'Connor is a former basketball coach at Rockhurst University

Question: Was William Patrick O'Connor or Dennis Smith (Ice Hockey) born first?
Answer: William Patrick O'Connor