Leo Edward O'Neil

Leo O'Neil was born in Holyoke, Massachusetts, and there attended Blessed Sacrament School and Sacred Heart High School.[1] In 1945 he entered Maryknoll Junior Seminary in Clarks Summit, Pennsylvania.[1] He studied at Saint Anselm College in Goffstown, New Hampshire, for a year before attending the Grand Seminary of Montreal in Quebec from 1950 to 1955.[1] O'Neil was ordained to the priesthood by Bishop Christopher Joseph Weldon on June 4, 1955.[2] He then served as parochial vicar in several parishes in the Diocese of Springfield, and was named pastor of St. Mary of the Assumption Church at Haydenville in 1976.[1]

On June 30, 1980, O'Neil was appointed Auxiliary Bishop of Springfield and Titular Bishop of Bencenna by Pope John Paul II.[2] He received his episcopal consecration on the following August 22 from Bishop Joseph Francis Maguire, with Bishops Tomás Roberto Manning, O.F.M., and Timothy Joseph Harrington serving as co-consecrators.[2] He was named Coadjutor Bishop of Manchester on October 17, 1989, and later succeeded Odore Joseph Gendron as the eighth Bishop of Manchester on June 12, 1990.[2] He was installed at the Cathedral of St. Joseph on November 30, 1990.[3]

During his tenure, O'Neil worked to foster a common vision among New Hampshire Catholics with a program entitled "Renewing the Covenant."[3] He also won the affection of people with his inspirational homilies and flair for poetry. On November 30, 1993, O'Neil underwent surgery for multiple myeloma.[3] He continued to battle with cancer and serve as bishop for four more years, until his death at age 69.[3]