HomeImmaculate Conception / Immaculate Heart of Mary Parish, located in Lacon, Illinois, is a Catholic parish that has been serving the community for over 150 years. Established in 1840, it originally held Mass in the homes of local families before constructing its first church, Saint Mary’s, in 1853, which was the first Catholic church between LaSalle and Peoria. The present church, dedicated in 1869, is named Immaculate Conception Church and is notable for its leaded stained glass windows. The parish is dedicated to the Blessed Virgin Mary, its patroness, and has a history rich with contributions from founding families and local pioneers.
