Irish americans make up more than 10% of the population. Irish americans are why ireland is free. Irish american money, political power and irish american volunteers were instrumental in winning the war for independence. There are nearly 35 million irish americans. There are less than 5 million irish.

https://www.rte.ie/history/de-valera-in-america/2020/0218/11...

It isn't a coincidence that ireland won its independence as irish americans became major players in politics, business, etc.