[4] Raised in Grangemouth, she is a graduate in marine biodiversity and biotechnology from Heriot-Watt University.

[5] Mackay was born to a father from Brora in Sutherland and a mother from Portobello, Edinburgh.

[5] She received the internship through a program which aimed to support disabled people in politics.

[5] She is the Scottish Greens' spokesperson for health and social care,[7] and currently sits on the Parliamentary Bureau for the party.

[10] Formal introduction of the Bill to the Scottish Parliament was completed on 5 October 2023.