Duncan-Glancy contested
Glasgow North for the general elections in
2017 and
2019, but came second to
Patrick Grady, the incumbent
SNP MP. She received a 34.5% share of the vote in 2017 and a 31.4% share in 2019. On 1 March 2021, despite not being a parliamentarian at the time, she became Scottish Labour's spokesperson for Social Security
in the Scottish Parliament. After being a Labour member for approximately twenty years, Duncan-Glancy became a
Member of Scottish Parliament (MSP) in 2021. Duncan-Glancy stood in
Glasgow Kelvin in 2021 and came third to SNP candidate
Kaukab Stewart, but was elected on the
Glasgow regional list on 8 May 2021. She was selected for the seat following the previous candidate's deselection for comments suggesting she "respected the right" for Scotland to have another independence referendum. Eleven members of the Kelvin Labour executive committee resigned in protest and refused to campaign for Duncan-Glancy. During the election count, Duncan-Glancy received significant coverage as she highlighted the issues disabled candidates face when she was denied access to the Glasgow vote count due to the venue's lack of accessibility. Duncan-Glancy backed the UK Government’s decision to introduce means-testing for the Winter Fuel Payment, voting in the Scottish Parliament against calls to reverse the decision. == Friendship with sex offender ==