The article is devoted to the history of the construction of the Vorzogorsky parish of Onega County in the XIX century. The studied archival materials in the collection of the State archive of Arkhangelsk region and the Institute of the History of Material Culture of Russian Academy of Scienses helped to determine the information about the repair of the Vvedenskaya Church and identify the fact of restructuring in the period from 1847 to 1850 hipped-roof main volume of St. Nicholas' Church in the five-domed, the existence of previous buildings in the place of the present Zosimo-Savvatievskaya Church and the history of its creation. The article contains original drawings of facades and drawings of St. Nicholas Church, Zosimo-Savvatievskaya Chapel and Zosimo-Savvatievskaya Church at different stages of construction.