Preceded in death by brother Thomas Daniel McCay deceased 2004. Two sisters Grace McCay Putman of Huntsville, AL & Norma McCay Guins of Flatwoods, LA., Partner Pamela Wisener, sons Marko McCay, Jr. & Kenneth McCay and wife Alicia McCay, two grandchildren Dylan McCay & Caytee McCay. He also helped raise several step-children including Katherine Sylvester, Rachel Guzman, Jared and Don Quance.
Mac moved to Dallas in 1964 after spending four years in the Air Force and spent 35 years working for Southwest Wheel, Inc. working up from a warehouse position, Inventory Control Manager, and retiring from Prior Gaskets Inc. in 1999 as President & CEO. He went on to start a Real Estate Leasing Company McCay Properties, AKA MMKY LLC. with commercial properties in Gun Barrel City, Terrell, Mesquite & Kemp, TX. He also served on the Economic Development Board for the city of Balch Springs in the 1990’s. Was raised in the Church of God and attended the Assembly of God in Faith, as a born again Christian.