Parents were Wyatt Hayward Barnett (1885 - 1942) and Suzanne Marguarite Malabat Barnett (1901 - 1992).

His father Wyatt Hayward Barnett was born in Valdosta, Georgia, United States (to Father: Joseph S. Barnett and Mother: Cynthia Eugenia Winn) and died May 15, 1942. Wyatt Hayward Barnett was a trumpeter in the US Army, Camp McGrath, Phillipines, 1910.

His mother Suzanne Marguarite Malabat Barnett was born in 1901 in France, she died in 1992.

Husband of Mary Florence Fike Barnett (1933 - 1985), also known as Flo Barnett.

Father of Michele Diane Barnett Miscavige (born January 18, 1961 in Dallas, Texas), also known as Shelly Miscavige; she married David Miscavige on December 30, 1982 in Los Angeles, California; David Miscavige would go on to become leader of Scientology. Shelly Miscavige was present at her father's funeral which took place in August 2007.

Sources:

"Maurice Elliott Barnett". Social Security Death Index (SSDI). Last known residence listed as: Glendale, Los Angeles County, California, 91202. Note: Place of issuance on SSDI listed as Wyoming, United States.

"Michele Diane Barnett". Texas, Birth Index, 1903-1997.

"Michele D Barnett". California, Marriage Index, 1960-1985.

Ortega, Tony. "Scientology Leader David Miscavige's Disappeared Wife Shelly: What We Know". The Village Voice. Blogs. Runnin' Scared. Scientology. July 5, 2012. Village Voice, LLC.

Ortega, Tony. "Scientology's Meltdown: A Story Told in Pictures". The Underground Bunker. October 3, 2012.

"Suzanne Marguarite Malabat Barnett". 1930 United States federal census.

"Suzanne Marguarite Malabat Barnett". 1940 United States federal census. Cheyenne, Wyoming.

"Wyatt Hayward Barnett". 1910 United States federal census.

"Wyatt Hayward Barnett". US Army, Register of Enlistments 1798-1914.

"Wyatt Hayward Barnett". 1920 United States federal census.

"Wyatt Hayward Barnett". 1930 United States federal census.

"Wyatt Hayward Barnett". 1940 United States federal census. Cheynne, Wyoming, United States.