- Sir Alexander,1764–1820, Scottish explorer in Canada.
- Alexander,1822–92, Canadian statesman, born in Scotland: prime minister 1873–78.
- William Lyon,1795–1861, Canadian political leader and journalist, born in Scotland.
- a river in NW Canada, flowing NW from the Great Slave Lake to the Arctic Ocean. 1120 miles (1800 km) long; with tributaries 2525 miles (4065 km) long.
- a district in the SW Northwest Territories of Canada. 527,490 sq. mi. (1,366,200 sq. km).
- a river in NW Canada, in the Northwest Territories and Nunavut, flowing northwest from Great Slave Lake to the Beaufort Sea: the longest river in Canada; navigable in summer. Length: 1770 km (1100 miles)
- Sir Alexander. ?1755–1820, Scottish explorer and fur trader in Canada. He explored the Mackenzie River (1789) and was the first European to cross America north of Mexico (1793)
- Alexander. 1822–92, Canadian statesman; first Liberal prime minister (1873–78)
- Sir Compton. 1883–1972, English author. His works include Sinister Street (1913–14) and the comic novel Whisky Galore (1947)
- Sir Thomas. 1854–1930, New Zealand statesman born in Scotland: prime minister of New Zealand (1912)
- William Lyon. 1795–1861, Canadian journalist and politician, born in Scotland. He led an unsuccessful rebellion against the oligarchic Family Compact (1837)
river in Canada, named for Scottish fur trader and explorer Sir Alexander Mackenzie (1764-1820) who discovered and explored it 1789.