Glenn Hawley (b. 1951) has demonstrated leadership over decades in Canadian amateur astronomy. He served in many capacities in the Calgary Centre of the Royal Astronomical Society of Canada (RASC) and then on the national RASC Executive, culminating as President (2013–2014).
Harriet Tubman (c. 1822-1913) was a "conductor" on the Underground Railroad. After escaping from slavery herself in Maryland, she escorted more than 300 slaves to freedom in Canada, despite numerous risks to her own life.