On Wednesday January 21, 2015 Mark went to be with his father and brother. The seventh of nine children, he is survived by his mother Agnes Lang; and seven siblings Patricia McDonald (Richard), Joseph Lang (Gina), Mary Lang, Catherine Engelhardt, Matthew Lang (Emma), Deacon Paul Lang (Eileen) and Bridget Wicklein (Lester). Mark was also uncle to twenty one nieces and nephews and several great nieces and nephews. He is predeceased by his father, Deacon Joseph T. Lang and brother, James Lang. Family will receive friends at St. Edward the Confessor Catholic Church on Wednesday, January 28, 2015 from 10-11am, with a Funeral Mass at 11:00am. Interment, Gate of Heaven Cemetery in Silver Spring, MD