 She was also active in the London Ethical Society, where she met the philosopher Bernard Bosanquet (1848–1923), whom she married on 13 December 1895.In addition to an active public career as a theorist and publicist for the COS, she worked as a translator of German philosophy and sociology, and as a collaborator with her husband.In 1902 Bosanquet had a much publicised exchange of views with Seebohm Rowntree, in which she questioned his findings about the extent and the causes of poverty in York.