The article is dedicated to the formation of Finnish school of architecture in the late XIX – early XX century. Finland was the first country where women got a chance not only to get professional education in architecture but also to obtain the diploma of an architect. The careers of the first Finnish female architects S. Hornborg, H. Hongell and W. Lönn took place during the period of national romanticism and make an interesting subject for research as they managed to combine architectural style of the turn of the century with modern engineering achievements as well as solving of city planning tasks. Their architectural heritage is abundant and versatile. Their successful careers stimulated changes to women-architects in European countries.