Ada B. Whitaker On Monday, April 5, 2010 of Upper Marlboro, MD; Beloved wife of Leslie F. Whitaker; devoted mother of Paul Simmons and his wife Kimberly; daughter of Olive Barnes and the late Edward Barnes, Sr.; sister of John, Cecil, and Edward Barnes; grandmother of Dallas and Jordyn. Family will receive friends at St. Joseph's Catholic Church, 2020 Saint Joseph Drive, Largo, MD on Tuesday April 13, 2010 from 10:00am until Funeral Mass at 11:30am. Interment, Maryland Veteran's Cemetery, Crownsville. If desired, contributions may be made to: Hospice of the Chesapeake, 445 Defense Hwy., Annapolis, MD 21401