Rev William Costello

February 10, 1938 - August 23, 2020

Father William John Costello, 82, passed away unexpectedly on Sunday, August 23, 2020. Fr. Costello was born February 10, 1938 in Chicago, the son of the late John and Mary Costello. He was ordained a Catholic Priest on April 30, 1964 and spent the next 56 years serving the Church at many parishes in the Chicago area including St. John of the Cross, St. Theodore, St. Nicholas, St. Christina, Holy Cross, Prince of Peace, St. Peter, and St. Eugene. After his retirement, Fr. Costello stayed very active in the church community, helping to celebrate Mass at St. Raphael the Archangel, St. John in Twin Lakes, WI, and at St. Benedict's Abbey in Benet Lake, WI. He also served as the Prince of Peace School Administrator in Lake Villa. He is survived by his sisters Jacqueline (late Roger) Clausen and Mary (late William) Tuleja; nieces and nephews Richard, John, Mark, Kevin, James, Kathleen, Michael, Gerald, Beth Anne, and William; great nieces and great nephews Stephanie, Kevin, Kayla, Richard, Mark, Addison, Logan, Malia, and Olivia; great great nephew Thomas; and by many other family members. He was preceded in death by his sisters Margaret (late Richard) Baumeister and Frances (Gerald) Grishaber. Wearing a mouth and nose covering is required to attend services. Please maintain social distance and keep your visit brief out of consideration for the family's health. Visitation will be Monday, August 31, 2020 from 9:30 - 11 a.m. at St Raphael the Archangel Church, 40000 N, US-45, Old Mill Creek, IL 60046. Mass will begin at the church Monday at 11 a.m. Private burial will follow at Holy Sepulchre Cemetery in Alsip, IL. In lieu of flowers, please consider a contribution in Fr. Costello's memory to your local church and have a Mass celebrated in his honor.