Best Answer


User Avatar

Judson Marks

Lvl 13
2y ago
This answer is:
User Avatar
More answers
User Avatar

Wiki User

13y ago

Because of the Great Famine

This answer is:
User Avatar

User Avatar

Wiki User

11y ago

Mass Starvation

This answer is:
User Avatar

Add your answer:

Earn +20 pts
Q: Why did several million Irish migrate in the 1840s?
Write your answer...
Still have questions?
magnify glass
Continue Learning about American Government

Was Nathaniel Greene Irish?

There were several Nathaniel Greenes, none of which were Irish: Nathanael Greene (1742-1786) was an American Revolutionary War general. Nathaniel Greene (1797-1877), was an American journalist. Nathaniel Greene Foster (1809-1869) was an American politician, lawyer, and military officer.

How many Scottish and Irish fought in the revolutionary war?

About 48% of the colonies were Scottish and/or Irish so the majority fighting were Scottish and Irish.

How many US presidents had Irish heritage?

There are twelve, counting the current president ,Obama, but only two with ancestors that would be likely to wear green on St. Patrick's day. John F. Kennedy was the first President of 100% Catholic Irish heritage, Ronald Reaganwas of Catholic Irish ancestry (originally O'Reagan) but his family converted to Protestantism after moving to America.There had been several Presidents of "Scotch-Irish", i.e. Protestant Irish ancestry, mostly from Northern Ireland, which is now a separate country from Eire and whose people have quite different ethnic backgrounds and languages.The first was Andrew Jackson, followed by James K Polk, James Buchanan, Andrew Johnson, Chester Arthur, William McKinley, Woodrow Wilson, Harry S Truman ,Bill Clinton and Barack Obama on his mother's side. Both of Jackson's parents were actually born in Ireland, as was Chester Arthur's father.

What was the Know Nothing Party?

The Know Nothing movement was a nativist American political movement of the 1840s and 1850s. It was empowered by popular fears that the country was being overwhelmed by German and Irish Catholic immigrants, who were often regarded as hostile to Anglo-Saxon Protestant values and controlled by the Pope in Rome

How are the Irish treated today?

In general, the Irish are treated respectfully today although there are still many issues between the Irish and the English in the UK. . In the past there were times when the Irish were treated badly, especially in the United States and the UK.