She previously worked as the state secretary of Timber Communities Australia,[4][5] and as an executive officer for the Small Business Centre and the Warren Blackwood Alliance of Councils.
[2][1] Although Kingston was unsuccessful at the 2021 election, fellow Nationals candidate James Hayward did win the seat, but was convicted in August 2023 of child sex offences, disqualifying him from parliament.
[14] In June 2024, Kingston was preselected for fifth place on the National Party's Legislative Council ticket for the 2025 state election: considering a party would need to receive 13% of the vote for their fifth-placed candidate to be elected, far above the Nationals's recent electoral results, Kingston's position was considered unwinnable.
[16][17] Love and the party's administration denied Kingston's allegations, suggesting that her resignation was motivated only by her poor performance in preselection.
[18][19] In December 2024, it was reported that Kingston would seek re-election to the Legislative Council at the 2025 state election on a joint ticket called "Vote Independent WA".