The family request in lieu of flowers, donations be made to the ALS division of MDA. Mercer, David H., of St. Peters, Missouri, died on Sunday, February 28, 2010 at the age of 78. Dear husband of Judith Mercer Nee: Hazeltine; beloved son of the late John Homer and Ruth Mercer; devoted father of Scott (Jena Dee) Mercer, Craig ( Sheila) Mercer, Stacy (Tim) Lee and Erinn (Darrell) Winberry; cherished grandfather of 8; dear brother of Earline Russell. He is preceded in death by 4 Siblings. He was retired from McDonnell Douglas in St. Louis where he worked as an electrical engineer and was presently employed by Pundmann Ford. David was a member of Mason's Lodge and VFW.