Leonid Ieronimovich Turkevich was ordained to the priesthood in 1905, and succeeded his father as parish priest of Kremenetz. He was transferred, along with his family, to the United States in October 1906 and became the rector of the newly established Orthodox seminary (St. Platon's) in Minneapolis, Minnesota. Fr. Leonid represented the American diocese of the Russian Church at the All-Russian Church Council of 1917-1918 in Moscow, Russia.