[2] Her paternal grandfather, Samuel Burk Burnett, established the 6666 Ranch near Guthrie, Texas, after the Civil War.
[3] Her paternal step-grandmother was Mary Couts Burnett, a philanthropist whose estate went to Texas Christian University in Fort Worth.
[2] In 1922, aged just 21, she inherited the 6666 Ranch from her grandfather, who had willed it to her in a trust prior to his death, bypassing his wife, Mary Couts Burnett, whom he tried to disinherit after he had her committed.
Upon her father's death in 1938, she also inherited his estate, including the Triangle Ranch and more oil interests, and her wealth increased considerably.
She was an avid art collector and amassed a premier collection of artworks by Picasso, Gauguin, Matisse, Klee, Modigliani, Nolde, Manzu, Miro, and Leger.
Waggoner was not a faithful husband; one day she drove away, smashing through all the gates instead of opening them, and left the car running at the train station.
They resided in a hilltop home on Spanish Trail in Westover Hills in Fort Worth, designed by John F. Staub.
The estate underwent significant renovations in the early 1950s, with a pool and modern entertaining pavilion and games room designed and decorated by William Haines and Melanie Kahane.
Named 'Crownfield', the modernist design included a single level of circular-shaped and domed structures with a gold ceiling in the living room.
A raked skylighted shed-roof rising over a marble-floor entertainment area with bar gave the home its profile-identity.
Meanwhile, she was inducted into the American Quarter Horse Association posthumously in 1990, and into the National Cowgirl Museum and Hall of Fame in 2002.