Born to Eternal Life on Saturday, January 30, 2021 at the age of 81. Cherished husband for 52 years to Mary (nee Beyer) Marciniak. Beloved dad of Michael (Brenda) Marciniak, the late Christine (Wolfgang) Stueckle, and Joseph Marciniak. Proud grandpa of Kathryn, Erica, Ryan, Troy Marciniak, Kendra and Jacob Stueckle. Dear brother-in-law of Leo Beyer, the late Joanne Beyer and the late David Beyer. Further survived by nieces, nephews, other relatives and friends. Visitation on Monday, February 8, 2021 from 10:00 A.M.-11:00 A.M. at NATIVITY OF THE LORD PARISH 3672 E. Plankinton Avenue. Cudahy. Mass of Christian Burial at 11:00 A.M. If you would like to view a live stream of David's Mass, please click here. Private inurnment at Holy Sepulcher Cemetery. David was a proud graduate of Milwaukee School of Engineering and also a United States Army veteran. He loved his frequent vacations to Door County and whichever country his daughter lived in. David also enjoyed watching his grandchildren's school and sporting events. He will be dearly missed especially for his corny jokes and pranks that he would play on family and friends. In lieu of flowers, memorials to the Kelly Senior Center in Cudahy, Wisconsin are appreciated.