Reply To: Skipping church and mortal sinBy About Catholics Team / July 8, 2017 Home › Forums › All Things Catholic › Skipping church and mortal sin › Reply To: Skipping church and mortal sin April 8, 2007 at 3:54 am #8010 About Catholics TeamKeymaster Yes, the magisterium still teaches that it is a mortal sin to miss Mass. http://www.aboutcatholics.com/worship/w … ch_sunday/ http://www.catholic.com/thisrock/2000/0007fea2.asp