of Davisburg, died suddenly September 17, 2015 at 60 years of age. Loving partner and husband of Donna for 28 years; dear father of Nicholas, Christopher (Chelsea) and Matthew Siuniak, Daniel and Chad Taylor, and Jamie (Michael) Cullen; grandfather of Abbie, Tatum, Michael, Nicole, Ryan, Dallas and the late Danny; brother of the late Louis (Brenda) Siuniak, Jim (Tonya) Siuniak, Susanna (Jim) Blattner, and the late Nicholas Siuniak. Mark was a 1973 graduate of Waterford Kettering and earned his masterrsquo;s degree from Oakland University. He worked for General Dynamics for 15 years, and for many years loved fishing, golfing and video games.