He was born at Forlì, but grew up in Sant'Alberto, Ravenna, and after studying law took to a life of letters, becoming eventually librarian at Bologna University. In 1877 he published postuma, a volume of canzoniere under the name of Stecchetti, following this with Polemica (1878), Alcuni canti popolari romagnoli (1880) and other poetical works, and becoming known as the leader of the verist school among Italian lyrical writers.
- This article incorporates text from a publication now in the public domain: Chisholm, Hugh, ed. (1911). "Guerrini, Olindo". Encyclopædia Britannica. 12 (11th ed.). Cambridge University Press. p. 672.