[2] Mary Malcolmson organized the first Canadian Girl Guides Company to be officially registered in St. Catharines, Ontario; their registration is dated 1910-01-11.

The First Toronto Company held the first-recorded Girl Guide Camp in Canada on the banks of the Credit River in June 1911.

Many Guide events were held at Lady Pellatt's home, Casa Loma, in Toronto.

The first Canadian companies were constituted as part of the British Girl Guides Association.

[3] In 1917, the Parliament of Canada incorporated the organization under the name of "The Canadian Council of the Girl Guides Association".

The Salvation Army adopted Guiding as part of its program for girls in 1937 when it became officially associated with the organization.

Adult members over the provincial age of majority[8] are welcome in the organization as Leaders or Guiders.

There are also places for volunteers in public relations, office jobs, and other important facets of the organization.

A program for women ages 18–30 called Link is in place for those who wish to retain or establish their ties with Guiding, but who may not be able to give their time to the extent of being a Guider.

Adult members over the age of 30 have the option of joining the Trefoil Guild, which may or may not be in addition to other roles within the organization.

", printed on it, but this has been updated to the same navy-blue t-shirts that all members of Girl Guides of Canada wear.

A Spark is a reference to a Celtic Fairy spirit, which would be encountered in natural areas such as forests.

Embers aim to develop a sense of identity and a positive relationship with others by participating in a variety of activities.

The name Brownie was chosen as a reference to Celtic Fairy creatures that protect and do chores within a household or farm.

[10] In 2022, based on feedback from girls from racial minority backgrounds, the organization announced that the name would be replaced following a membership vote.

Local units were invited to adopt the new name immediately, with all web and print materials to be fully transitioned by September 2023.

Guides learn about people in other countries and are encouraged to discover and explore issues which are important to them.

Girls can earn their Citizenship Certificate, their Community Service Award, and their Canada Cord, which consists of badgework, first aid, planning and leading an event or camp, doing activities with other branches, and earning the Citizenship Certificate and Community Service Award.

I promise, on my honour, to do my best: To do my duty to God, the Queen, and my country, To help other people everyday And accept the Guiding Law.

They were sold door-to-door, with a bag of 12 cookies costing 10 cents (equivalent to CA$1.73 today), for the purpose of earning passenger rail fares for a camping trip to a lake.

The sales were brisk, requiring extra batches to be baked to meet demand.

This was due to Christie's inability to meet the Girl Guides' new "nut-free" requirement.

[21] Participants came from across Canada as well as from many countries, including Australia, Bangladesh, Jamaica, Japan, New Zealand and the United States.

On 8 July 2010, Canada Post made a stamp to commemorate the centennial of the Girl Guides.