HANNIGAN W. JOHN On Saturday, March 29, 2014, W. John Hannigan, age 80. Beloved son of the late Willis J. and Ann Coots Hannigan; brother of JoAnn Hannigan and the late John Thomas Hannigan. Also survived by nieces and nephews. Mr. Hannigan was employed by the Diocese of Pittsburgh as the Director of Social Programs and Community Development. There will be no visitation. Funeral Saturday, April 12, 2014. Mass of Christian Burial, St. Paul Cathedral 10 a.m. Arrangements by JOHN A. FREYVOGEL SONS, INC. Send condolences at post-gazette.com/gb