Trivia

Much of her early work was denounced by critics as "profoundly unladylike".

Friend of Robert Fitzgerald and Sally Fitzgerald, she would babysit their son, Benedict Fitzgerald. Fitzgerald was writing a biography of O'Connor when she died.

Pictured on a USA commemorative 'forever' postage stamp in the Literary Arts series, issued 5 June 2015. Price on day of issue was 93¢, the 3-ounce rate that went into effect 31 May 2015.