The church was constructed in 1594 by a Franciscan and is dedicated to St. Jerome. The church is built in a baroque style of architecture. The Mapusa Church is also popularly known as the church of Our Lady of Miracles. The feast of Our Lady of Miracles is celebrated in the third week after Easter. Our Lady of Miracles is reputed to be the elder sister of goddess lairai of shirgao village. Devotees of both religions come to St. Jerome's church to venerate Our Lady with devotive offerings.
The church is 16 kms from Panjim. The feast attracts Goans from all over Goa.