Patrick "Pat" William O'Donnell, 81, of Leonardtown, MD formerly from Washington, DC, passed away on June 23, 2013 in Leonardtown, MD. Born on July 4, 1931 in Washington, DC, he was the son of the late Neal Daniel and Edna Carrie Crossingham O'Donnell.

Patrick is survived by his sisters Joyce O'Donnell Hecht of Bethesda, MD., and Cathleen O'Donnell Dawson of Clinton, MD, and Nephew James Francis Payne of Washington, DC.

Patrick is preceded in death by his brother Neal Daniel O'Donnell.

Pat attended St. Johns College High School graduating in 1949 and attended the University of Maryland graduating in 1953 with a Bachelors of Arts Degree. Patrick was a teacher in Great Mills High School for 36 years retiring in 1990.

He was a lifelong St. Mary's County resident, he was a member of the Potomac River Association, and Knights of Columbus.

The family will receive friends on Friday, June 28, 2013 from 9:00 AM – 10:00 AM in St. Francis Xavier Catholic Church, Compton, MD. A Mass of Christian Burial will be celebrated at 10:00 AM on Friday, June 28, 2013 in St. Francis Xavier Catholic Church with Father Brian Sanderfoot officiating, and Father John Dakes Concelebrating. Interment will follow at Cedar Hill Cemetery, Suitland, MD. Pallbearers will be; James Francis Xavier Payne, Alexander Payne, Benedict Francis Xavier Payne, Norman Hecht, Jr., Mark Hecht, and James Dawson.

Arrangements provided by Mattingley-Gardiner Funeral Home.