Age 71, of McKees Rocks, formerly of Bloomfield, on Monday, April 27, 2015. Wife of the late Mathew C. Yobst; beloved mother of Matthew "Jamie" (Karin) Yobst, Mary (Eric) Warrick, Tammy (Ray) Weisser and the late Larry Yobst; grandmother of Eric, Brian and Justin Warrick, Jacqueline and Zachary Weisser; sister of Gretchen "Sis" Wiktorzewski, Dorothy Cooper, the late William "Butch" Wellhausen and Debbie Gatti; best friend of Bernie Herrick. Friends received at the WALTER J. ZALEWSKI FUNERAL HOME, 216 44th Street, Lawrenceville, on Wednesday 5-8 p.m. and Thursday 2-8 p.m. Funeral Service on Friday at 11 a.m.