It had around 1,000 members, its official organ was the Guieiro (Guide in English language), and their leaders were Xaime Illa Couto, Celso Emilio Ferreiro, Xosé Velo and Ramón Piñeiro López.
[6] The first Assembly was held in May in Ourense, Francisco Fernández del Riego was chosen Secretary General of the new organization.
Xaime Illa Couto, Xosé Luís Fontenla Méndez and Xoán Lois Ramos Colemán completed the Executive Secretariat.
Celso Emilio Ferreiro, Vicente Bóveda and Xosé Nogueiras completed the board of the organization.
[7][8] The highest body of FMG was the General Assembly (called the National Assembly in the new Statutes of 1936), which was held every year, and that was responsible for drawing up the program of the organization and elec the members of the National Council, which was the body responsible for executing the resolutions of the General Assembly, also which had the power to designate the FMG representative in the Council of the PG.