The Great Irish Famine brought a large influx of Irish immigrants. Over 200,000 were living in New York by 1860, upwards of a quarter of the city's population. There was also extensive immigration from the German provinces, where revolutions had disrupted societies, and Germans comprised another 25% of New York's population by 1860.
1860లో, న్యూయార్క్లో ఐరిష్ సంతతికి చెందిన దాదాపు ఎంతమంది ఉన్నారు?
200,000