Mark Wade Griffin, 62 years old of Conroe, Texas, passed away peacefully at his home surrounded by family on May 3, 2020. Mark recently retired after 30 plus years of working as a process control systems engineer at ExxonMobil. He and his wife thoroughly enjoyed traveling and camping in their motorhome. Mark is survived by his wife of 29 years, Elizabeth "Doodle", his parents Nathan and Donnie Griffin, his three daughters, Ashley, Failey and Jennifer, one son, Buddy, five grandchildren, two great grandchildren and many nieces and nephews. Mark is preceded in death by his brother, Mitchell Griffin and numerous aunts and uncles. The family would like to express our thanks for the wonderful help and care given by Harbor Hospice and especially his private care giver, Michelle Holland.