Byrne went to school at St. Michael's College, Dublin. He was in the Leinster Rugby Academy,[2] and played for Ireland's rugby youth teams.[3]
Professional career
On 24 October 2018, Byrne was named in the Ireland squad for the November Internationals.[4] In November 2022 Byrne kicked a late penalty to contribute 3 points to Ireland's 13 point total in the 13–10 victory over Australia.[5] In the opening match of the 2023 Six Nations, Ross Byrne replaced Jonathan Sexton as outhalf and scored a late conversion in Ireland's 34–10 win against Wales.[6] Byrne was named in the 2022–23 URC Elite XV of the year, his second domestic team of the year achievement.[7]