Varadkars forældre blev enige om at opdrage deres søn, født til en hinduisk far og en [[Romerskkatolske kirke|katolsk]] mor, i den katolske tro.<ref>{{Kilde nyheder|url=http://www.independent.ie/lifestyle/why-leo-the-petulant-political-puppy-is-still-happily-wagging-his-tail-26739416.html|title=Why Leo, the petulant political puppy, is still happily wagging his tail|last=Bielenberg|first=Kim|date=4. juni 2011|work=[[Irish Independent]]|access-date=3. juni 2017|publisher=[[Independent News & Media]]|issn=0021-1222|quote=His father is Hindu and his mother Catholic. When they got married in church they had to get special permission and agree to bring up the children as Catholic. Varadkar once said: "They deliberately decided that if we were to be brought up in a Western country that we would be brought up in the culture of our country. I think it's a sensible thing."}}</ref> Han blev uddannet på St Francis Xavier National School, Blanchardstown. Hans uddannelse på andet niveau fandt sted på King's Hospital i Palmerstown, en internatskole, der drives af Church of Ireland.
Levende_personer Politik