Ida Hancock Ross
American landowner
About Ida Hancock Ross
Lived 1843 – 1913 (aged 69–70). Ida Hancock Ross was an American.
Ida Hancock Ross (born Ida Haraszthy; 1843 – March 15, 1913) was the owner of the Rancho La Brea in Los Angeles County, including the La Brea Tar Pits. When she died, she was one of the richest women in California.
Ross was born in Imperial, Illinois. Her mother, Eleonora Dedinszky de Dedina, was a noblewoman of Polish descent
After Ross began leasing sections of her property for drilling for oil, she "found herself an immensely rich woman." The residence, completed in 1909, included a replica of a "huge carved-wood fireplace" found in a castle in England, a 1865 stained-glass window, and a music salon that contained 18th-century antiques from the Mexican palace of Emperor Maximilian.
On March 15, 1913, Ross died in Los Angeles at age 70.
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Important facts
Contemporaries
People whose lives overlapped Ida Hancock Ross's
Frequently asked questions
Who was Ida Hancock Ross?
American landowner (1843–1913)
When was Ida Hancock Ross born?
Ida Hancock Ross was born in 1843 in Peoria.
When did Ida Hancock Ross die?
Ida Hancock Ross died on 15 March 1913.
What nationality was Ida Hancock Ross?
Ida Hancock Ross was American.
Sources & further reading
Cite this page
APA: Biography.guide. (2026). Ida Hancock Ross. https://biography.guide/ida-hancock-ross/
MLA: "Ida Hancock Ross." Biography.guide, https://biography.guide/ida-hancock-ross/.
Chicago: "Ida Hancock Ross." Biography.guide. https://biography.guide/ida-hancock-ross/.
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