[3] She gave her maiden speech on 8 June 2015, in which she argued that Dylan Thomas was wrong about his description of Swansea as "this ugly, lovely town".

[4] Harris served as Parliamentary Private Secretary (PPS) to the shadow Home Affairs team from September 2015 to October 2016.

[18] Harris has led many successful campaigns during her time in Parliament, on issues including children's funerals, fixed-odds-betting terminals and electricity fires in homes.

After losing her son Martin in 1989, Harris was forced to take out a loan and rely on donations from the community to cover the funeral costs.

[23] Harris started a campaign on fires caused by electrical products in people's homes as a result of a death of a constituent, Linda Merron in Penlan, Swansea.

[28] Harris was criticised for inviting Nicole Elkabbas, a convicted criminal, to speak at a parliamentary event on anti-gambling in February 2021.

Two months earlier, Elkabbas was found guilty of eliciting tens of thousands in donations by faking a cancer diagnosis.

"[29][31] Harris resigned as Parliamentary Private Secretary to Starmer on 11 May 2021, accused of inflaming party tensions following the 2021 local elections and subsequent shadow cabinet reshuffle.