Anna McGahan was a participant in the 2009 Young Playwright's Program held annually by the Queensland Theatre Company. In 2011, she won the IF 'Out of the Box' Award for a young actor or actress 'between the ages of 15 and 35 years, from a drama, comedy, sitcom or long-run tv series, across free-to-air and pay TV, to emerge from out of the box'.
In 2023, her debut novel Immaculate won the Vogel.
She is the niece of Andrew McGahan, whose novel Praise won the Vogel in 1991.