County Leitrim

Contae Liatroma

"The tranquil county of shimmering waterways and untamed drumlin hills."

Estimated Emigrants 130,000+

Peak Migration Eras 1846–1890

Primary US Destinations New York City, Boston, Providence RI

County Leitrim Historical Heritage & Diaspora

County Leitrim possesses a brief but dramatic coastline on the Atlantic, divided in two by the picturesque expanse of Lough Allen. Historically one of Ireland’s most sparsely populated counties, Leitrim was exceptionally hard hit by nineteenth-century crop failures and structural poverty.

Leitrim saw an astonishing percentage of its population emigrate to the United States. In proportion to its original population, few counties contributed a higher share of their people to the transatlantic diaspora.

In America, Leitrim men and women earned renown in New York’s transit systems, construction trades, and police forces. Leitrim’s prominent clan names include Reynolds, Rooney, McGovern, Gilmartin, Flynn, and McPartland.

Historical Migration Journey

County Leitrim 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.