1905 in Canada

Crown

• Monarch – Edward VII^[1]

Federal government

• Governor General – Albert Grey, 4th Earl Grey
• Prime Minister – Wilfrid Laurier
• Chief Justice – Henri Elzéar Taschereau (Quebec)
• Parliament – 10th (from 11 January)

Provincial governments

Territorial governments

Premiers

• Premier of North-West Territories – Frederick Haultain (until September 1)

January to June

• January 21 – George Laurence, nuclear physicist (d.1987)
• January 28 – Ellen Fairclough, politician and first female member of the Canadian Cabinet (d.2004)
• February 8 – Louis-Philippe Pigeon, judge of the Supreme Court of Canada (d.1986)
• March 27 – Elsie MacGill, the world's first female aircraft designer (d.1980)
• April 30 – John Peters Humphrey, legal scholar, jurist and human rights advocate (d.1995)
• May 1 – Paul Desruisseaux, lawyer and politician (d. 1982)
• May 23 – Donald Fleming, politician, International Monetary Fund official and lawyer (d.1986)
• June 8 – Ralph Steinhauer, native leader, first Aboriginal to become the Lieutenant Governor of Alberta (d.1987)
• June 23 – Jack Pickersgill, civil servant and politician (d.1997)

July to December

• July 4 – Marie-Thérèse Paquin, pianist (d. 1997)
• July 25 – Grace MacInnis, politician and feminist (d.1991)
• August 1 – Helen Hogg-Priestley, astronomer (d.1993)
• August 31 – William Anderson, politician and businessman (d.1961)
• August 15 – E.K. Brown, literary critic
• September 21 – Loran Ellis Baker, politician (d.1991)
• November 1 – Paul-Émile Borduas, painter (d.1960)
• December 1 – Alex Wilson, track and field athlete and Olympic silver medallist (d.1994)
• December 24 – Milt Dunnell, sportswriter (d.2008)

Full date unknown

• Nat Taylor, inventor of the cineplex (d.2004)