Mac was born in Wichita and raised in Augusta, and graduated from Augusta High School in 1964.  He spent four years in the U.S. Navy and was discharged as a 3rd Class Parachute Rigger. Mac moved to Houston and was hired by Western Electric Installation. He retired after 31 years. After retirement Mac became the custodian for the First Christian Church and has since retired.

Mac has been married to his wife, Janet, for 41 years. They have two sons and 14 grandchildren.