Age 70, of Dormont, retired Director of Activities at Kane Regional Hospital in Scott Township, passed away November 11, 2016, after a prolonged illness. Born Martha Susan Coakley on September 14, 1946, daughter of the late John F. and Josephine Coakley. She was an active member of the Episcopal Church Women's Group at St. Paul's Episcopal Church She is survived by her husband of 35 years Harold Tkach. Beloved mother of Amy Bailey (Greg) Hoffman of Coraopolis, , Dan (Molly) Bailey of Los Angeles, CA, Katie Bailey (Tim) Schruben of Brentwood, Matt Tkach of Bridgeville and Mary Jean Tkach of Durham, NC. Loving grandmother of Maison, Hayden, Mackenzie, Hannah, Madeline, Sarah, Meghan, Allison, Natalie, Dean, and Laura.