 Ṣayẹwo gbolohun atẹle: Ti a yan ni ẹgbẹ agbabọọlu ti o wa labẹ ọdun 20 fun 2019 Six Nations Under 20 Championship, Healy ṣe ifilọlẹ rẹ fun ẹgbẹ naa nigbati o wọle bi aropo ni 34  24 wọn ṣẹgun Italy ni ọjọ 22 Kínní 2019, ṣaaju ki o to bẹrẹ ni fly-half ni awọn aṣeyọri lodi si France ati Wales, eyiti o kẹhin ti o ni aabo Grand Slam akọkọ ti Ireland ni idije naa lati ọdun 2007. O wa ninu ẹgbẹ agbabọọlu ti wọn ko to ọmọ ogún ọdun fun ẹgbẹ agbabọọlu ti wọn n pe ni : 2019 World Rugby Under 20 Championship nígbà tí wọn fìdí rẹ múlẹ ní May 2019. 