She attended Wyalkatchem District High School before boarding at Methodist Ladies' College, Perth, and later completed a degree in marketing and media at Murdoch University.

After returning to Australia, she began working for Max Trenorden (the state leader of the National Party at the time) as an administrative assistant and research officer.

Her election was challenged by Anthony Fels, a Family First candidate, and the dispute was not settled until just two days before her term was set to begin (in May 2009).

[4] At the 2013 state election, Davies transferred to the Legislative Assembly, winning the seat of Central Wheatbelt.

[6] She continued in cabinet until the Barnett government's landslide defeat at the 2017 state election, which also saw Brendon Grylls lose the seat of Pilbara.

Despite this, Davies actually increased her share of the vote, with Central Wheatbelt becoming the safest non-government seat in the state.

[10] On 19 April 2021, the Nationals formed a formal opposition alliance with the remains of the Liberals, led by David Honey.