Her mother is an author and a graphic designer, and her stepfather was a stand-up comedian, while her biological father used to own cafés around Melbourne.

[5] Taylor had originally auditioned for the role of Lana Crawford, however, actress Bridget Neval was eventually cast.

[13] On 1 March 2013, it was announced that Taylor had been cast as lead character Clarke Griffin in the new post-apocalyptic science fiction drama series The 100 on The CW.

I'd been living in LA for about a month and my credit card was stolen and all my money was taken – spent at Home Depot, which was great – and I was ready to pack my bags and go back to Australia because I didn't know how I was going to survive in LA any longer and then I got a call from my manager to say that an audition I'd done months ago for a film had been looked at by the producers of this TV show called The 100 and they wanted me to go in for a reading the next day.

[21] In 2021, Taylor directed two music videos: "Vices" by Sarah and the Sundays,[22] in which she also had an acting role,[23] and "Bad Posture" by Abby Anderson.

[28][29][30] The same year, Taylor is an executive producer and stars as Ruby Allen in the independent romantic comedy It Only Takes a Night.

In October same year, Taylor is playing the role of Hannah Carson in Quantum Leap as a new series regular in season 2.

[39] In 2024, on Tommy Didario's podcast 'I’ve Never Said This Before', in an interview along with her husband Bob, Eliza talked about her long dark year struggling with postpartum depression.