[13][14] In the 2008 final Matthews scored the winner from a penalty corner as Loreto, Beaufort defeated an Alexandra College team featuring Nicola Evans and Deirdre Duke 2–1.

[15][16][17] In the 2009 final Matthews captained Loreto, Beaufort as they faced a St. Andrew's team featuring Chloe Watkins and Gillian Pinder.

[2][35][36][37] Matthews team mates at Loreto have included Nikki Symmons, Lizzie Colvin, Alison Meeke, Nicola Daly[23][26][31] and Elena Tice.

[40] In March 2015 Matthews was a member of the Ireland team that won a 2014–15 Women's FIH Hockey World League Round 2 tournament hosted in Dublin, defeating Canada in the final after a penalty shoot-out.

[43] In January 2017 she was also a member of the Ireland team that won a 2016–17 Women's FIH Hockey World League Round 2 tournament in Kuala Lumpur, defeating Malaysia 3–0 in the final.

[45] Matthews represented Ireland at the 2018 Women's Hockey World Cup and was a prominent member of the team that won the silver medal.