She has been nominated twice for the for her stage work.
Stirling took part in 's reading of Dickens' on the steps of , London in December 2011.
She portrayed Millie in both series of the mystery drama in 2012 and 2014, and reprised the role in 2018.
In 2011, Stirling starred in the adaptation of 's as Ursula Brangwen.
She has also guest starred in and one episode of , co-starring with her mother.
Stirling starred onstage in directed by at the in 2009.