at a memorial program at Ludlow. She wrote a memoir, Those Damn Foreigners (1971), considered the only "published eyewitness account of the Ludlow massacre." She lived in the Hollywood Knickerbocker Hotel as an old woman, and experienced memory loss before she died, probably in the 1970s. Barbara Yule wrote a one-woman play about Mary Thomas, For Tomorrow We May Die, which was performed by Tanya Perkins in Colorado in 2015. References 1887 births 20th-century deaths Welsh activists Welsh women activists Year of death missing American people of Welsh descent British emigrants to the United States