While still a teenager, Burgin corresponded with and met Lieutenant Colonel David Cossgrove, the founder of the Girl Peace Scouts' Association.
She revived interest in the movement in Auckland and started the St Andrew's Girl Peace Scout Troop in Epsom in 1921 as their Guider.
Later, she led the first team from the World Association Training scheme, briefed to find and support Guides living in displaced persons' camps.
[1] In the 1959 Queen's Birthday Honours, she was appointed a Member of the Order of the British Empire, for services to the Girl Guide Movement.
Every year on 22 February, known as "Thinking Day" Rangers from Mona's Unit set off before dawn, while it is still dark, and they climb to the top of Maungawhau / Mount Eden.