Hanchon was ordained a priest by Cardinal John Dearden of the Archdiocese of Detroit on October 19, 1974.[2] After his ordination, Hanchon served as associate pastor at Blessed Sacrament Cathedral Parish and at St. Mark Parish in Warren, Michigan. He also served as associate spiritual director at Sacred Heart Seminary and, between 1981 and 1986, as director of vocations for the archdiocese.[2]
In 1986, Hanchon spent a year studying Spanish and Mexican culture in Mexico and at the Mexican American Cultural Center run by the Archdiocese of San Antonio in San Antonio, Texas.[3] After returning to Detroit in 1987, he served as pastor in St. Joseph Parish in Monroe, Michigan for the next five years. Hanchon was transferred in 1992 to become pastor of St. Gabriel Parish in Detroit, serving there until 1999. Also in 1992, he was appointed coordinator for the archdiocesan pastoral plan for Hispanic ministry.[2]
In 1999, Hanchon was named pastor of Most Holy Redeemer Parish in Detroit, a position he continued to hold after becoming bishop. In 2009, he was appointed as episcopal vicar and regional moderator of the Central Region, which includes Detroit, Hamtramck, Michigan and Highland Park, Michigan.[1]
Auxiliary Bishop of Detroit
Hanchon was appointed as the titular bishop of Horreomargum and an auxiliary bishop of Detroit on March 22, 2011, by Pope Benedict XVI.[4] He was consecrated by Archbishop Allen H. Vigneron on May 5, 2011.[4] Hanchon has been a member of the Jesus-Caritas Fraternity of Priests since 1975 and has served as an officer of the brotherhood.[2]
On March 3, 2023, Pope Francis accepted Hanchon's request for retirement, having reached the mandatory retirement age of 75.