Gave birth to her only child at age 33, a son Charles Cyclos Dunsmoore on December 1, 1943. Child's father was her 2nd ex-husband, Cyclos Dunsmoore but he was later adopted by her 3rd husband, Milton H. Bren. Her two stepsons were Peter Bren and real estate billionaire Donald Bren.
Made her last appearance at an Oscars telecast IN 1998 at the The 70th Annual Academy Awards (1998) as part of a tribute sequence called "Oscar's Family Album". She wore a black gown and jewels seated between Marisa Tomei and Jon Voight. Fellow honoree Michael Caine paid tribute to her calling her a 'living legend'.
Joan Crawford initially fought for Trevor to star alongside her in Johnny Guitar (1954), jealous of the much younger Mercedes McCambridge, who was eventually cast.
In Italy, unlike other major Hollywood actresses, she didn't have an official voice. She was in turn dubbed by Tina Lattanzi (most notably in Stagecoach (1939)), Lydia Simoneschi, Giovanna Scotto, Dhia Cristiani, Rosetta Calavetta, Rina Morelli, Wanda Tettoni and Marcella Rovena.
Profiled in "Killer Tomatoes: Fifteen Tough Film Dames" bu Ray Hagen and Laura Wagner (McFarland, 2004).
Profiled in "Femme Noir: Bad Girls of Film" by Karen Burroughs Hannsberry (McFarland, 1998).
She was a staunch Republican who gave much of her time and money towards various conservative political causes. She also attended several of the Republican National Conventions and was active in the campaigns of Wendell Willkie, Thomas E. Dewey, Dwight D. Eisenhower, Richard Nixon, and Ronald Reagan.
Trevor disliked chewing gum and avoided using it. When a role called for her character to chew gum, she requested the prop man to keep her supplied with caramels for as many takes that it took to get the scene.
Was the 31st actress to receive an Academy Award; she won the Best Supporting Actress Oscar for Key Largo (1948) at The 21st Academy Awards on March 24, 1949.
Is one of 22 Oscar-winning actresses to have been born in the state of New York. The others are Alice Brady, Teresa Wright, Anne Revere, Celeste Holm, Judy Holliday, Shirley Booth, Susan Hayward, Patty Duke, Anne Bancroft, Barbra Streisand, Jane Fonda, Lee Grant, Beatrice Straight, Whoopi Goldberg, Mercedes Ruehl, Marisa Tomei, Mira Sorvino, Susan Sarandon, Jennifer Connelly, Melissa Leo and Anne Hathaway.
Was one of 4 Best Supporting Actress Oscar winners to have guest starred in Murder, She Wrote (1984). The others are Teresa Wright, Kim Hunter and Shirley Jones.
Ms. Trevor starred with John Wayne in three of his early starring vehicles, "Stagecoach", "Allegheny Uprising", and "Dark Command", and was top billed over Wayne in all three.