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Irish – American Connection: Roots and Influence


4th July 2025 Update

Each year on the Fourth of July, Americans come together to celebrate freedom, independence and the birth of a nation founded on the principles of liberty and justice. Stories from those who helped shape the country, included millions of Irish immigrants. From the horrors of the Great Famine to the battlegrounds of the American Civil War, the Irish-American connection is one of enduring strength. It is a bond forged through hardship, hope and the pursuit of a better life.

The Irish Famine and the Great Migration

The mid-19th century marked one of the darkest chapters in Irish history: the Great Famine. From 1845 to 1852, a devastating potato blight ravaged Ireland, leading to mass starvation and the deaths of over one million people. For many, survival meant emigration.

The United States of America quickly emerged as the preferred destination for the Irish fleeing famine and poverty. The promise of opportunity, land and freedom across the Atlantic offered a beacon of hope. By the late 1840s, the wave of emigration had swelled to historic proportions. In fact, during this decade alone, the Irish accounted for nearly 40% of all immigrants arriving in the U.S. This mass exodus fundamentally altered the social fabric of both Ireland and America.

Irish immigrants, many arriving with little more than determination and faith, settled predominantly in the urban centers of the Northeast, such as New York, Boston and Philadelphia. While they often faced prejudice and poor living conditions, the Irish brought with them a fierce work ethic and an unwavering desire to contribute to their new homeland.

The Irish Contribution to the Union Cause

As tensions mounted in the United States and the Civil War erupted in 1861, Irish-Americans found themselves at a crossroads. Although many were recent arrivals, their loyalty to the ideals of liberty and unity compelled them to take up arms in defense of the Union.

It is estimated that over 150,000 Irish-born soldiers fought on the Union side during the American Civil War. For many Irish immigrants, fighting for the Union was about more than just allegiance to their new home, it was a stand against slavery and tyranny, ideologies they had long resisted in their own homeland under British rule.

Among the most storied units was the Irish Brigade, composed primarily of Irish immigrants and led by Brigadier General Meagher. The Irish Brigade saw action in some of the war’s bloodiest battles, including Fredericksburg and Gettysburg. Despite heavy casualties, they earned a reputation for fierce bravery and unshakable camaraderie.

Building America: The Irish Legacy

Following the Civil War, Irish-Americans continued to play a vital role in shaping the cultural, political, and economic life of the United States. From the construction of railways and skyscrapers to leadership in labor movements and city governments, the Irish left an indelible mark on American development.

Prominent Irish-Americans emerged in all walks of life, from politics, such as President John F. Kennedy, to the arts, religion and sports. The Irish influence is still deeply felt in American culture today, through the celebration of holidays like St. Patrick’s Day, the preservation of Gaelic traditions and appreciation for Irish music.

A Shared Spirit of Independence

At the core of the Irish-American connection lies a shared spirit of independence. This common experience has fostered a unique kinship between the two nations, rooted in mutual respect and common ideals.

Celebrating Independence Day is therefore not just an American affair for many Irish-Americans, it is a celebration of the values that drew their ancestors across the ocean and gave them the opportunity to build a new life.

End of Post Update


the Galway Cathedral
The Galway Cathedral

The Galway area has a unique culture. It has a slower pace than we assume and is a very ‘laid back’ location. It also has a special vibe of its own! American tourists frequently join our City Walking tours. They are also the most frequent participants on our Celtic Revival tours and join in Riverboat Sightseeing tours in Galway.  Why, though, do American nationals and friends hold such affection for the Emerald Isle? Well, that’s a long story.

Our Western Tours website and services are now easily accessible at

Between 1845 and 1852, Ireland was devastated by a catastrophic Potato blight. This blight triggered widespread famine, which became known as the Great Famine (An Gorta Mór in Gaelic). This led to the deaths of over 1.6 million people and forced about another half million to emigrate. In search of survival, many Irish families looked to the United States. Most of these families settled along the eastern ‘Thirteen states’, bordering the Atlantic Ocean. They were drawn by the promise of hope and opportunity.

These courageous individuals braved perilous conditions. They boarded what became known as ‘Coffin ships’. They endured treacherous journeys in the hopes of a better future. Their resilience and determination are a powerful testament to the indomitable Irish spirit. Their enduring legacy is woven into the very fabric of American society.

Irish ex-pats build a New Life in America

Upon arriving in America, Irish immigrants encountered many challenges, including prejudice and harsh working conditions. Many settled in urban areas like Boston, New York, and Chicago. They formed vibrant communities and became key contributors to the nation’s industrial expansion. Their efforts were crucial in building major infrastructure projects like the Transcontinental Railroad. This work symbolized their essential role in shaping the backbone of America.

Irish immigrants also brought with them a rich cultural heritage across the ocean. Traditional Irish music and dance filled bars and saloons. In America, they recreated these cultural hubs, preserving their traditions while embracing their new homeland.

JFK Monument at Eyre Square, Galway

Influence of the Irish

The influence of Irish Americans extended beyond labour into the political sphere. One of the most prominent figures was John F. Kennedy. His great-grandfather, Patrick “PJ” Kennedy had immigrated from Wexford, in the South east of Ireland in1848 during the famine period. He had settled in Boston and by the end of the century had become successful Boston politician. John F Kennedy’s presidency is a powerful symbol of the enduring Irish-American connection. His visit to Ireland in June 1963 further strengthened this connection.

John F Kennedy relished his Irish heritage and during that visit, he remarked to the people of New Ross, Ireland.

When my great grandfather left here to become a cooper in East Boston, he carried nothing with him except two things: a strong religious faith and a strong desire for liberty. I am glad to say that all of his great-grandchildren have valued that inheritance.

Today, over 30 million Americans, or 9% of the population, proudly claim Irish heritage. The Irish-American connection is most vividly expressed through cultural exchanges, with shared traditions continuing to flourish. These cultural bonds, especially through Irish music, foster a strong sense of unity celebrated in both nations.

With Western Tours and Tales, you can immerse yourself in the rich tapestry of Irish cultural heritage. Visiting the city for a short stay? Watch out for Special Offers, where you pre-book a private City Tour for Family and Friends. For the 2025 season, why not consider our joint Riverboat Sightseeing with a Galway City Tour for your group. Experience the best of Ireland with us. Our expert tour leaders will make your trip engaging and informative, offering insights at every key destination.

In the meantime, you may like to read a Discover Ireland article. It covers 9 Things to do in Galway on Your next visit and shows the intent of visitors’ browsing experience. It’s laid out in a streamlined and intuitive manner. It is one of the top-performing pages on their website which will allow you to plan your next Irish holiday!

So Galway has a unique culture. We encourage you to book one of our Celtic Revival tours. You can also consider our Riverboat Sightseeing or City Walking tours. Plan for a great holiday in the West of Ireland.

This article was developed with the help of AI


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