During the war, she started a Guide Company for evacuated girls, and assisted Rosa Ward, OBE, in raising money to train and equip relief workers who would travel to continental Europe the moment hostilities ceased.

[7] In 1945 she become the vice-chairman of the Imperial executive committee[8] and in 1947 was one of ten people selected to represent the Girl Guide movement at the wedding of the future Queen Elizabeth II and Prince Philip, Duke of Edinburgh.

She told listeners how Guides in rural areas had been responsible for meeting and entertaining evacuated children while they were waiting to be collected by their host families, as well as for obtaining childhood necessities such as cots and clothes for the new arrivals.

[15][16] She was elected both chief commissioner and chairwoman of the British Commonwealth Girl Guides Association in 1956, holding both roles for a decade.

[25] The following year she visited Girl Guides in Australia, New Zealand, Fiji, Papua New Guinea, Malaysia, Singapore, India and Pakistan.

[26][27][28] From 1965 onwards Gibbs made regular visits to meet Princess Margaret, the President of the Girl Guide Association.

[29] Gibb's final role in Guiding was as chair of the UK's planning committee for WAGGGS' 22nd World Conference held in Sussex in 1975.

[30] Gibbs was a member of the council of The Victoria League, which promotes friendship education and understanding among the people of the Commonwealth, for ten years, becoming deputy president.