Born into a peasant family. Since 1933 he lived in Kazan. Graduated from Kazan Pedagogical Institute (1937). During the Great Patriotic War, he was a war correspondent. From 1946 to 1948 Mannur headed the literary department of the Kazan Theater of Opera and Ballet named after M. Dzhalil. He made his debut as a poet in 1923. His first poetry collection - "From the depths of taiga" ("Тайга төбеннəн", 1928). Pre-war Mannur prose is characterized by originality of language, wide use of phrases, dialectics, proverbs and sayings. Among other works: patriotic lyrics, poems and poems for children, literary criticism, publicism.