Lois M. Dykeman, 86, of Pittsburgh, passed away Thursday, Jan. 22, 2015, after an extended illness. She was the beloved mother of Jennifer A. (Dykeman) Foster and husband, Robert, the late Joseph E. Dykeman and the late Robert S. Dykeman; wife of the late Joseph E. Dykeman; grandmother to Graceann E. Foster; aunt to many nieces and nephews. She was preceded in death by a sister, Pauline (Karstetter) Fries and John Karstetter. Lois was a graduate of Altoona Nursing School and proudly performed her nursing duties for more than 35 years. Most notably, she was head nurse on 6 Main in Shadyside Hospital and she worked in the emergency room at Magee Women’s Hospital. Memorial service to be held at 11 a.m. Saturday, Jan. 31, in Third Presbyterian Church, 5701 Fifth Ave., at the corner of S. Negley Avenue, Pittsburgh, PA 15232. Interment will be at the Mt. Lebanon Cemetery. Send condolences at simpsonfuneralhome.com/obituary. Donations in lieu of flowers, Myastenia Gravis Association of Western PA. http://www.mgawpa.org.