He was born in Chicago on July 24, 1922, the son of the late Joseph and Mary Maranto. He pronounced his first vows as a Viatorian on Jan. 25, 1943 and his final vows on Jan. 25, 1946. He was ordained to the priesthood on March 25, 1950 in Joliet by Bishop Martin McNamara.
A graduate of St. Mel High School in Chicago, Father Maranto received his bachelor’s degree from St. Ambrose College in Davenport, and his master’s degree from Loyola University Chicago. Both degrees were in Latin. He taught Latin, math and religion at Cathedral Boys/Griffin High School, Springfield (1950-1964), St. Viator High School, Arlington Heights (1964-1968), and Bishop McNamara High School, Kankakee (1968-1970). He was associate pastor at Maternity BVM in Bourbonnais (1970-1973).
While he served as associate pastor at St. Joseph Parish in Springfield (1973-1976), he was also chaplain at Memorial Medical Center. After that, he began his longest assignment as chaplain at St. John’s Hospital in Springfield from 1976 until his retirement to the province center in 1992. While at the province center he served at many of the parishes and nursing homes in the Arlington Heights area.
His brother, Vincent, and his sister, Sally Monsier, survive him, as well as three nieces, Cynthia Handrup, Denise Lynch and Claudette Monsier.
The Mass of Christian Burial was held March 21 in the chapel at the Viatorian Province Center, 1212 E. Euclid Avenue, Arlington Heights. Interment was in the Viatorian plot at Queen of Heaven Cemetery in Hillside.