:
All records listed are for under-19 One Day International (ODI) matches only. Team records ;Highest totals{{cite news|url=https://stats.espncricinfo.com/ci/engine/records/team/highest_innings_totals.html?class=21;id=2281;type=team|title=RECORDS / IRELAND UNDER-19S / UNDER-19S YOUTH ONE-DAY INTERNATIONALS / HIGHEST TOTALS • 329/9 (50 overs), v. , at
Chattogram, 23 February 2004 • 304/9 (50 overs), v. , at
Colombo, 14 February 2006 • 291/9 (50 overs), v. , at
Chattogram, 29 February 2004 • 288/6 (50 overs), v. , at
Lincoln, 27 January 2018 • 278/8 (50 overs), v. , at
Lincoln, 23 January 2018 ;Lowest totals{{cite news|url=https://stats.espncricinfo.com/ci/engine/records/team/lowest_innings_totals.html?class=21;id=2281;type=team|title=RECORDS / IRELAND UNDER-19S / UNDER-19S YOUTH ONE-DAY INTERNATIONALS / LOWEST TOTALS • 65 (24.2 overs), v. , at
Queenstown, 17 January 2010 • 71 (27.5 overs), v. , at
Crab Hill, 30 December 2021 • 78 (30 overs), v. , at
Kurunegala, 23 January 2000 • 97 (29.1 overs), v. , at
Colombo, 5 February 2006 • 97 (28.5 overs), v. , at
Whangārei, 16 January 2018
Individual records ;Most career runs{{cite news|url=https://stats.espncricinfo.com/ci/engine/records/batting/most_runs_career.html?class=21;id=2281;type=team|title=RECORDS / IRELAND UNDER-19S / UNDER-19S YOUTH ONE-DAY INTERNATIONALS / MOST CAREER RUNS • 606 –
Eoin Morgan (2004-2006) • 318 –
Gary Wilson (2004-2006) • 296 –
Paul Stirling (2008-2010) • 249 –
Harry Tector (2016-2018) • 241 –
Kevin O'Brien (2004) ;Highest individual scores{{cite news|url=https://stats.espncricinfo.com/ci/engine/records/batting/most_runs_innings.html?class=21;id=2281;type=team|title=RECORDS / IRELAND UNDER-19S / UNDER-19S YOUTH ONE-DAY INTERNATIONALS / HIGH SCORES • 124 (126 balls) –
Eoin Morgan, v. at
Colombo, 14 February 2006 • 117 (129 balls) –
Eoin Morgan, v. , at
Chattogram, 23 February 2004 • 114 (102 balls) –
Paul Stirling, v. , at
Queenstown, 19 January 2010 • 111* (113 balls) –
Josh Cox, v. , at
Georgetown, 15 January 2022 • 101 (113 balls) –
Harry Tector, v. , at
Lincoln, 27 January 2018 ;Most career wickets{{cite news|url=https://stats.espncricinfo.com/ci/engine/records/bowling/most_wickets_career.html?class=21;id=2281;type=team|title=RECORDS / IRELAND UNDER-19S / UNDER-19S YOUTH ONE-DAY INTERNATIONALS / MOST WICKETS • 27 –
Greg Thompson (2004-2008) • 20 –
Matthew Humphreys (2021-2022) • 18 –
Dwayne McGerrigle (1998-2000) • 16 –
Gary Kidd (2004-2006) • 15 –
George Dockrell (2010-2012),
James Hall (2006-2008) ;Best bowling performances{{cite news|url=https://stats.espncricinfo.com/ci/engine/records/bowling/best_figures_innings.html?class=21;id=2281;type=team|title=RECORDS / IRELAND UNDER-19S / UNDER-19S YOUTH ONE-DAY INTERNATIONALS / BEST BOWLING FIGURES • 6/50 (9.4 overs) –
Niall McDarby, v. , at
Colombo, 8 February 2006 • 5/16 (10 overs) –
Keith Spelman, v. , at
Johannesburg, 19 January 1998 • 5/20 (7.4 overs) –
Muzamil Sherzad, v. , at
Port-of-Spain, 29 January 2022 • 5/21 (6.4 overs) –
Reuben Wilson, v. , at
Cave Hill, 2 January 2022 • 5/26 (10 overs) –
Dwayne McGerrigle, v. , at
Boksburg, 12 January 1998 ==References==