Fifteen-year-old twins Leona and Lisa Maguire will become the youngest players ever to represent Britain and Ireland in the Curtis Cup when they face the Americans at Essex County Club, Massachusetts, on 11-13 June.
The two Cavan girls are not 16 until November and so take the record from Scot Carly Booth, who had her 16th birthday the day after the 2008 match finished.
The youngest-ever player to compete for either side was 14-year-old Michelle Wie in 2004.
The Maguires have already represented Europe in the Junior Solheim and Ryder Cups and helped Ireland win the European girls title last year.
Scot Sally Watson Sally Watson, now a student at Stanford University in California, is the only survivor from the last team. The United States have won the last six clashes.
Team: Hannah Barwood (Knowle, England), Holly Clyburn (Woodhall Spa, England), Rachel Jennings (Izaak Walton, England), Leona Maguire (Slieve Russell, Ireland), Lisa Maguire (Slieve Russell, Ireland), Pamela Pretswell (Bothwell Castle, Scotland), Danielle McVeigh (Royal County Down, Ireland), Sally Watson (Elie and Earlsferry, Scotland).
Reserves: Kelsey Macdonald (Nairn Dunbar, Scotland), Stephanie Meadow (Royal Portrush, Ireland), Charlie Douglass (Brocket Hall, England), Amy Boulden (Maesdu, Wales).
Non-playing captain: Mary McKenna