First found in Leinster, where they were found mainly in County Longford.

In the late 18th century, Irish Families began emigrating to North America in the search of a plot of land to call their own. This pattern of emigration grew steadily until the 1840s when the Great Potato Famine of the 1840s cause thousands of Irish to flee the death and disease that accompanied the disaster. Those that made it alive to the shores of the United States and British North America (later to become Canada) were, however, instrumental in the development of those two powerful nations. Many of these Irish immigrants proudly bore the name of Farrell: Bridget Ferrell who settled in Barbados in 1680; Katherine Ferrell settled in Virginia in 1649; Alexander Farrell settled in Virginia in 1656; Atkinson, Barney, Bernard, Charles, Christopher, Daniel, Dennis, Edward, Eiden, Francis, George, Hamilton, Hugh, James, John, Laurence, Lawrence, Luke, Martin, Michael, Patrick, Peter, Richard, Robert, Thomas and William Farrell, all settled in Philadelphia between 1840 and 1860. Martin and Michael Frawly arrived in Philadelphia in 1868 and 1874.

Motto Translated: The rampaging dog.

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