Three Rock Rovers have also represented Ireland in European competitions, including the Euro Hockey League.

Three Rock Rovers also enters various men's and women's teams in junior, senior and veterans leagues and cup competitions affiliated to the Leinster Hockey Association.

[1] Together with Dublin University and Monkstown, Three Rock Rovers were among the pioneering field hockey clubs in Ireland.

[36][37] Three Rock Rovers were originally based in Foxrock, near the Stillorgan station on the Harcourt Street railway line.

[51] Gordon Lambert: member of Seanad Éireann [52] Source:[51][53] When the Ireland women's national field hockey team won the silver medal at the 2018 Women's Hockey World Cup, the squad included former Three Rock Rovers player Deirdre Duke.