Memorials may be made to Immaculate Conception Building Fund. Harold J. Costello, of O'Fallon, Missouri, died on Wednesday, January 28, 2009 at the age of 86. He is a faithful disciple of our Lord Jesus Christ. Loving husband of Rosemary F. Costello; dear son of the late Bartholomew "Bert" and Susan Costello; devoted father of Michael (Lindl) Costello, David J. Costello, Sue (Randy) Graham, Kathleen (J. Steven) Erickson and James (Keely) Costello; loving grandfather of Christine Costello, Andrew Costello, Christopher Costello, Lindsay Perez, Kelsey Costello, Brian Graham, Stephanie Erickson and Luciano Costello; cherished great-grandfather of 2; dear brother of Ralph (Lois) Costello and the late Eunice Costello. Hal will be remembered by family and friends as a kind and loving man, and a dedicated servant of God.