There is given the review of documents related to the family life of Ukrainian classic poet and public fi gure M. T. Rylsky (1895–1964). These documents, found out in the collection of the State Archives of Kyiv City were unknown to researchers or general public, although some of the facts described in the documents were known to the family and those, who studied biography of T. R. Rylsky, his sons and grandson. Among these sources are the autographs of the poet. The documents apply to M. T. Rylsky’s residence in Kyiv. Therefore, the purpose of the publication is to highlight these fi ndings for scientifi c targets and to popularize these rare archival sources. Research methods. The research is based on general scientifi c methods (objective-factual, historical, analyticalcomparative). The scientifi c novelty of the publication. The documents discovered by the author relate to the death of poet’s brother Ivan and the giving birth by the wife of M. T. Rylsky’s, Kateryna Mykolaivna, to their fi rst son, Bohdan. These archival sources (personal documents of family members) are described fi rstly, researched and introduced into scientifi c community. Thanks to these documents and recently published sources, some facts of life of M. T. Rylsky and his family in Kyiv in the 1930s have been clarifi ed. There is also given the information about the personal fi le of the student of the Medical Faculty of Kyiv University M. T. Rylsky, that is stored in the State Archives of Kyiv City. The article also presents family photo of 1900, which depicts the poet’s parents, young Maksym and his two older brothers, including Ivan, noticed in the study, and another family friend – a prominent ethnographer J. V. Yurkevych. Conclusions. The State Archives of Kyiv City is a treasury of documentary sources. There is preserved also the decision of the Executive Committee of Kyiv City Council dated by 1965 about renaming of Radyanska Street to Maksym Rylsky Street in order to perpetuate the memory about the poet. Copies of the documents can be used in literary museums, museums of M. T. Rylsky in Ukraine, in researches about life and work of poet, in archival exhibitions. The documents expand the source base about life of M. T. Rylsky and his family.