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Our Lady of Mercy

Parish Information

  • 9200 Kentsdale Drive Potomac, MD, 20854
  • Phone: 301-365-1415
  • Fax: 301-365-3104
  • Email: [email protected]
  • Website: http://www.olom.org

Parish Staff

  • Pastor: Rev. William Byrne
  • Pastoral Assistant: Sr. Patricia Mensing, SSJ, Jayne Traynor Rose
  • Parochial Vicars: Rev. Stephen P. Wyble
  • Deacons: Deacon Charles P. Huber
  • Business Manager: Mary Conlon
  • Secretary: Florence Fitzgerald
  • Administrative Assistant: Kelly Athey, Mary Kate Kassman
  • Coordinator of Religious Education: Linda Budney

Pastor: Rev. William Byrne

Canonically Established: 1959

Wheelchair Accessible

Service Information

Mass Times:

  • Saturday at 5:00 PM
  • Friday at 8:30 PM
  • Sunday at 7:00 AM
  • Saturday at 9:00 AM
  • Sunday at 8:30 AM
  • Holy Days at 7:00 AM
  • Sunday at 10:45 AM
  • Holy Days at 8:30 AM
  • Sunday at 12:30 PM
  • Holy Days at 11:00 AM
  • Sunday at 3:00 PM (Korean)
  • Holy Days at 7:30 PM
  • Sunday at 5:00 PM
  • Monday at 7:00 AM
  • Tuesday at 7:00 AM
  • Wednesday at 7:00 AM
  • Thursday at 7:00 AM
  • Friday at 7:00 AM
  • Monday at 8:30 PM
  • Tuesday at 8:30 PM
  • Wednesday at 8:30 PM
  • Thursday at 8:30 PM

Confession Times:

  • Tuesday, 1:45 PM to 2:45 PM
  • Saturday, 4:00 PM to 4:45 PM
  • Sunday, 6:45 AM to 7:00 AM
  • Sunday, 8:15 AM to 8:30 AM
  • Sunday, 10:30 AM to 10:45 AM
  • Sunday, 12:15 PM to 12:30 PM
  • Sunday, 4:30 PM to 5:00 PM

Eucharistic Adoration

Eucharistic Adoration Chapel available at all times