O'Reilly was first elected to Galway City Council in 2019. She is a qualified solicitor. She is the Green Party spokesperson for children and youth affairs. She is currently a stay-at-home parent to her two children and works with local and national community groups.

We have never had a more urgent need for real green representation in the Dáil. Being green is about the earth and about our right to a decent quality of life.

The things that make our lives better, such a protecting nature, homes for all and better transport, are also what save the planet.

Work to set up collaboration with other politicians to achieve a strong path to achieving climate action and true social justice.