County Tyrone

Contae Thír Eoghain

"The historic kingdom of the legendary O’Neill High Kings of Ulster."

Estimated Emigrants 160,000+

Peak Migration Eras 1846–1890

Primary US Destinations Pennsylvania, New York, New England

County Tyrone Historical Heritage & Diaspora

County Tyrone (Tír Eoghain, “Land of Eoghan”) is the geographical heart of Ulster. At Tullaghoge Fort, the famous O’Neill dynasty—including Hugh O’Neill, Great Earl of Tyrone—were inaugurated upon the sacred stone chair as rulers of the northern kingdom.

Today, Omagh in County Tyrone is home to the world-renowned Ulster American Folk Park, a living-history museum charting the transatlantic journey of Ulster emigrants across the eighteenth and nineteenth centuries, including the ancestral homestead of Thomas Mellon, founder of the Mellon banking dynasty in Pittsburgh.

Major Tyrone surnames include O’Neill, Quinn, Devlin, Donnelly, Campbell, and McGurk.

Historical Migration Journey

County Tyrone Emigration Timeline (1845 – 1920)

1845 – 1852 · The Great Hunger (An Gorta Mór)

Catastrophic Potato Blight & Transatlantic Coffin Ships

Successive failures of the potato crop decimated tenant farming communities. Facing ruthless landlord clearances and starvation, over one million people fled across the Atlantic. Families boarded cramped wooden sailing barques from ports like Cobh, Derry, and Galway, arriving at Boston Harbor and Castle Garden, New York.

1880 – 1900 · The Industrial & Mining Surge

Chain Migration, Coal Valleys, and Urban Labor Solidarity

Younger siblings and children emigrated through prepaid tickets and diaspora remittances sent home from America. Immigrants fueled the industrial expansion of the United States—mining anthracite in Pennsylvania, digging copper in Butte, Montana, and operating textile mills across New England while establishing the first labor unions.

1920s · Independence, Irish Free State & Civic Leadership

War of Independence Remittances and Second-Generation Rise

American diaspora communities raised millions of dollars (via Éamon de Valera's 1919 US tour) to support Irish independence. Second and third-generation Irish-Americans ascended into the heights of US jurisprudence, municipal leadership, journalism, and cultural institutions.