On Monday, July 11, 2011 of Bowie, MD. Beloved husband of Lorrain R. Costello; loving father of Bonnie Costello Thrift, John P. Costello and Sean P. Costello; brother of Beth Conover and Michael Costello; grandfather of Diana, Abigail and Olivia Costello. Family will receive friends at the family's owned BEALL FUNERAL HOME, 6512 NW Crain Hwy., (Rte. 3 South), Bowie, MD on Saturday, July 23, 2011 from 12pm until the time of the Memorial Service, 1pm. If desired, contributions may be made to Alzheimer's Association, www.alz.org.