By KiddieDaily Editors · Jul 1, 2026 · 3 min read · Ages 8–10 · 1 source

How Tens of Thousands of Irish Immigrants Led the Patriots to Victory During the American Revolution

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Soldiers of Irish heritage accounted for up to 50 percent of the Continental Army’s ranks.

Driven from their homeland by British oppression, Irish-born rebels also served as spies, politicians and more In 1745, a boy named John Barry was born by the sea in southeastern Ireland. He would spend his childhood under England’s thumb. Like other Irish Catholics living in the Protestant kingdom, Barry was prohibited from voting, holding public office or owning a horse that cost more than £5.

When he was a teenager, he and his family were forced off their land, reportedly by an English landlord. With few other options, Barry turned his sights toward the sea. Around 1760, Barry immigrated to Philadelphia, where he pursued a career in shipbuilding and sailing.

A decade and a half later, when the Thirteen Colonies revolted against unfair taxes and imperial rule, he became an early patriot, motivated by his experience with British oppression on both sides of the Atlantic. Barry put this fervor to good use. Appointed a captain in the Continental Navy in 1775, he captured multiple British vessels at the helm of a brigantine called the Lexington.

By the American Revolution’s end, he was in command of the Alliance, protecting a cargo ship transporting Cuban gold—seed money for the United States’ national bank. After the war, President George Washington selected Barry as the Navy’s first commissioned officer; today, he’s often described as the “father of the U.S. Navy.” When America declared its independence from Britain 250 years ago, on July 4, 1776, a diverse group of patriots joined the fight against the crown.

Many were born on American soil. Some came from England or mainland Europe. Still others either emigrated from or traced their ancestry to that small Emerald Isle west of England.

These immigrants’ beef with Britain went deeper than taxes on stamps and tea. The Irish soldiers and sailors who flocked to the patriot cause would prove indispensable to both the defense and the founding of their new country. Despite accounting for just 10 percent of the U.S.

population during the war, individuals of Irish heritage represented 25 to 50 percent of the Continental Army. Few exemplified this dedication to liberty as much as Barry. When a British admiral attempted to persuade the Irish captain to switch sides, he replied, “I have devoted myself to the cause of my adopted country, and not the value or command of the whole British fleet could seduce me from it.” Ireland is sometimes called England’s “first colony.” During the Iron Age, the island was inhabited by Celts whose ancestors had migrated from mainland Europe.

By the fifth century C.E., however, Christian missionaries (including St. Patrick) had arrived on the island to convert its pagan population. In 1171, Henry II of England invaded Ireland, marking the beginning of 800 years of British rule over the island.

By the dawn of the 17th century, England had devastated Ireland’s ecosystem by cutting down most of the island’s trees as lumber for shipbuilding. James I directed droves of his English and Scottish subjects to move to Ireland, encouraging them to settle on land confiscated from locals. The crown also sent thousands of Irish prisoners to work as indentured servants in British colonies in North America and the Caribbean.

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