Mary C. Theis 85, of Port Neches died Thursday December 23, 2010 at her residence. Mary was born in Richwood, West Virginia on December 20, 1925 to Harry Clinton Comstock and Myrtle Cunningham Comstock. She was a resident of Port Neches for 60 years and a retired Lab Technician from Synpol with 38 years of service. Mary was a member of the First Baptist Church of Port Neches and the Port Neches Order of the Eastern Star Chapter #677. Mary was preceded in death by her husband Earl Theis and one brother Warren Comstock. Funeral services will be held Monday December 27, 2010 at the First Baptist Church of Port Neches with Dr. David Mahfouz officiating under the direction of Levingston Funeral Home in Port Neches. Burial will follow at Oak Bluff Memorial Park in Port Neches. Mary is survived by two sons Robert E. Theis and wife Jolene of Port Neches and Larry C. Theis of Alvin, Texas; one sister Mildred White of Tucson, Arizona and two grandchildren Joshua and Alexandra Theis.