The article is devoted to the study of level and reasons of mortality in peasant environment of the Oryol province on microdemography level. Based lie with statistics registers of births settlements Oryol province, kept in the State archive of Oryol region. For the study Bolhov typical localities, and Kromsk and Livensk counties of Oryol province were taken.The study of peasantry mortality is important for the study of historical and geographical differences between large regions of Russia.