

He graduated from Robert E. Lee High School in Baytown in 1959 and received a Bachelor of Science degree in P.E. in l963 from Southwest Texas State San Marcos. He accepted God’s call to the ministry in l962 and following graduation, received a Master of Divinity degree from Southwestern Baptist Theological Seminary in Fort Worth in l968.
Bro. Bo, as he was affectionately known by his congregations, spent 37 years in active ministry and pastored four churches: First Baptist Church in Aubrey 1966-1968, Broadway Baptist Church, which later became University Baptist Church in Galveston 1968-1976, First Baptist Church in Hooks 1976-1983, and First Baptist Church in Linden1983-2003. Bo and Joan retired in 2003 and returned to Baytown. He became a member of Cedar Bayou Baptist Church, his home church, renewing relationships with lifetime friends. In December of 2004, he accepted the call to pastor Coady Baptist Church in Baytown. Missions have always been close to his heart. He always promoted missions in the churches he pastored and was able to participate in ten overseas mission trips to Brazil, Trinidad, Mexico City, Cozumel, London and Africa, as well as mission trips within the United States.
His family will receive friends at Navarre Funeral Home Thursday from 6:00 p.m. until 8:00 p.m. Funeral services will be Friday, January 27, 2006 at 2:00 p.m. at Cedar Bayou Baptist Church with Dr. Mark Broussard, Rev. Tommy Jenkins, and Rev. Franklin Biles officiating. Burial will follow at Cedarcrest Cemetery.
He was preceded in death by his parents, D. C. and Margaret Mangum and is survived by his wife of 42 years, Joan Kendall Mangum of Baytown; daughter and son-in-law, Robin and MSgt Phillip Allen DeMent, U. S. Army of Peachtree City, GA; son, Delbert Cullen “Trey” Mangum III of Baytown; grandsons, Jacob Ryan Dement of Peachtree City, GA and Chris DeMent of Athens, GA; sister and brother-in-law, Bill and Sharon Dyer of Dayton; brothers and sisters-in-law, David and Patricia Mangum of Houston and Kenneth and Dianne Mangum of Seguin; aunts and uncle, Bob and Dot Smelzer of Corpus Christi, Cleo Lewis of Irving, and Audrey Smith of San Antonio; and a host of cousins, nieces, nephews, and friends.
Bo was a devoted husband, father, grandfather, pastor, and will be greatly missed.
The family requests that memorials be made to Cedar Bayou Baptist Church, 3116 North Alexander Drive, Baytown, TX 77520, Coady Baptist, 5606 Wade Road, Baytown, TX 77520, San Jacinto Baptist Association Lake Tomahawk Baptist Encampment, P. O. Box 1533, Baytown, TX 77522, or a gift to missions in the church of your choice.
Arrangements are entrusted to Navarre Funeral Home, 2444 Rollingbrook Dr., Baytown, TX 77521, (281) 422-8111.
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