This report clears Maude Williamson's thought of homemaking education on her dissertation and its influence on secondary homemaking education in Japan under occupation. By the analysis of Dr. Williamson's dissertation, books and other documents, the results were as follows: (1) At the beginning in the 1880s, American homemaking education began by way of instruction for girls only. Dr. Williamson's thought recognized to be in need of homemaking education for boys, was formed by investigation on historical development of home economics in the U.S.A. (2) The Japanese leaders influenced by Dr. Williamson, investigated and designed secondary homemaking education curriculum for boys in 1949. It was published in 1950. Now these leader's experiences have formed the basis of idea with regard to homemaking education for girls and boys in Japan.