[1][3][4][5] Her father moved to America when she was an infant and she was raised by her mother, a secretary at Rolls-Royce and "working class conservative", and a taxi driver.

She worked as a consultant at the State Hospital, as a clinical psychologist in the NHS and as an assessor for the Scottish Risk Management Authority.

After the referendum results were announced, in which Scotland voted to remain part of the United Kingdom; she joined the Scottish National Party (SNP).

[18] In 2017, Cameron launched the successful Lucy's Law campaign in the House of Commons against puppy farming which became statute in 2019.

An SNP assessor reportedly said he would recommend anyone with these views should have their application rejected to be a candidate and she should "quit her position as an elected representative.

[23] On 29 June 2020, Cameron was the only SNP MP to vote on a motion to introduce a Bill to restrict anti-abortion demonstrations near abortion clinics in England.

[31] In January 2023, following the unprecedented decision of the UK Government to intervene to block the wholly devolved Scottish Government's Gender Recognition Reform (Scotland) Bill, Cameron wrote to Conservative Scottish Secretary Alister Jack calling on him to "find a resolution" in a way that didn't undermine the devolution settlement.

[32] in Cameron reported that she was supporting women and girls in her constituency and Scotland, and SNP sources claimed that she was egging on Tory Secretary of State Alister Jack.

[35] in 2023, Cameron's group published the first Inquiry report into Cryptocurrency Regulation and realisation of the UKs ambition to become a crypto hub involving both MPs and Members of the House of Lords.

Cameron also said she believed the Governments vision of a Digital Britain was in reach and advocated for development of a cross party strategy.

[42] On 12 October, the day the result of her selection vote was to be announced, Cameron defected from the SNP to the Conservative Party.

[44] Grant Costello, who was leading in the selection contest,[43] was named SNP candidate for East Kilbride and Strathaven later that day.

[47] Humza Yousaf claimed that Cameron's defection was the "least-surprising news I've had as leader of the SNP", and called on her to resign as an MP.

[48][49] Prime Minister, and Conservative Party Leader, Rishi Sunak, reported to have "masterminded"[50] the defection, hailed Cameron's decision as "brave".

Her decision earlier in the year to write to the UK Government calling for action against the Scottish gender recognition law was cited as a key point.

[43] Cameron said she could not have joined the Labour Party due to her Christianity and views on transgender rights, citing the experiences of her friend Rosie Duffield.

[53] Later that month Cameron told BBC Radio 4's Women's Hour she had changed her views regarding Scottish independence.

[60] Shortly after her defection, Cameron announced she would not be standing as a candidate for East Kilbride, Strathaven and Lesmahagow at the next at the next general election,[61] citing the "trauma of receiving threats of violence within a toxic local political context".