History of rugby union matches between Ireland and the United States

Ireland and United States first played each other at rugby union in 1994 with Ireland emerging victorious, 26–15 at their home ground, Lansdowne Road, in Dublin.^[1] They have played each other eleven times, five times in the United States, five times in Ireland and once at a neutral venue in New Zealand during the 2011 Rugby World Cup.^[1] Ireland and the US also played each other in the 1999 Rugby World Cup, but the fixture was played at Ireland's home ground.^[1] Ireland's 83–3 victory against the US in June 2000 was their highest score and largest winning margin against any international opponent until July 2025 when Ireland beat Portugal 7–106.^[2][3] Ireland have won all eleven matches played between the teams.^[2] In March 1990 an under-25 Ireland side beat at full USA side 12–10 at Thomond Park.^[4] Four days prior to competing in their first international test match, a full USA side beat an Ireland Development side 20–13 at The Sportsground on 1 November 1994.^[4]