Peter D. Mackessy Retired U.S. Secret Service Uniform Division On Tuesday, November 1, 2011, at his home in Bowie, MD, beloved husband of Shirley A. Mackessy; father of Elizabeth Lynn Mackessy-Lloyd (Peter), Karen Mackessy Carr (Douglas), and Lori O'Steen; grandfather of Trevor (Rachel), Zack, Ricky and Megan (Father Richard O'Steen), Liam and great-grandfather of Noah. A Mass of Christian Burial will be celebrated on Saturday, November 5, 2011, at 10:30am, from the Ascension Catholic Church, 12700 Lanham-Severn Rd., Bowie, MD, 20720. Interment in Mt. Olivet Cemetery at a later date. In lieu of flowers, gifts may be made in memoriam to Central Union Mission, P.O. Box 96763, Washintgon, DC, 20090 or www.missiondc.org/partner/.