Tuesday, June 16, 2026

Burying the Guns: How Our Potts Cousins Saved Washington’s Artillery

 


Celebrating America 250

Every genealogist searches for the exact moment their family tree collides with a turning point in history. For our family, that collision didn't just happen in the halls of statecraft or on a standard battlefield line—it happened deep in the roaring, spark-showered interior of the early American iron industry.

As we approach the United States Semiquincentennial, much will be written about General George Washington’s winter headquarters at Valley Forge. Family historians widely know that the pristine stone house Washington rented for his command belonged to our first cousin eight times removed, the Quaker ironmaster Isaac Potts (1750–1803).

But there is a gritty, high-stakes prequel to the Valley Forge encampment that standard history books often omit. It is the story of Isaac’s brothers, Samuel and Thomas Potts, and a desperate, midnight operation to bury the heavy artillery of the Continental Army before the British could seize it.

The Heavy Metal Nerve Center of the Revolution

By 1776, the Potts family operated a massive, interconnected metallurgical empire across Pennsylvania. While Isaac managed the gristmill and shared ownership of the "Valley Forge" ironworks with his brother-in-law William Dewees, his brothers Samuel and Thomas ran the formidable Warwick Furnace in Chester County.

Warwick wasn’t a simple frontier blacksmith shop; it was an industrial powerhouse. When the war erupted, the Potts brothers cast aside their traditional Quaker pacifism to turn their furnaces into a primary munitions foundry for the Patriot cause. In 1776 alone, the Warwick Furnace successfully cast more than 60 heavy cannons for the infant Continental Army and Navy.

This massive production of grapeshot, muskets, and artillery pieces quickly placed a giant target on the backs of the Potts brothers. To the British high command, dismantling the Potts supply chain was just as critical as capturing Philadelphia.

The Disaster at Brandywine and the Retreat to Warwick

In September 1777, the dark reality of war arrived on the family's doorstep. Following the American defeat at the Battle of Brandywine on September 11, a torrential downpour ruined the Continental Army's gunpowder, leaving Washington’s troops virtually defenseless.

Needing an immediate industrial sanctuary to repair firearms, recast ammunition, and forge new weapons, Washington ordered a retreat directly to the Potts family's iron empire. For several tense days, the Warwick Furnace fields became a massive, muddy encampment. The furnace fires burned around the clock as the Potts brothers and their ironworkers labored furiously to re-equip the army.

But the British army, led by General Howe, was hot on their trail.

The Midnight Cache

As British scouts advanced toward Chester County, Washington realized his army had to move immediately. However, the heavy brass cannons—the pride of the Continental artillery—could not be moved quickly enough through the deep, rutted mud fields. If left behind, these guns would be captured, turned against the American lines, and used to crush the rebellion.

In a move calculated to protect both the army and the foundry, the Potts brothers executed a daring plan. Under the cover of darkness, while the final American regiments evacuated the property, Samuel and Thomas coordinated a massive excavation. Using their heavy draft teams and trusted ironworkers, they dragged the massive brass artillery pieces out into the furnace fields.

They dug deep trenches into the soot-stained earth and buried Washington’s cannons completely out of sight, carefully smoothing over the soil to blend with the surrounding landscape.

When the British forces finally raided the Warwick Furnace and the nearby Valley Forge ironworks a few days later, they burned buildings, destroyed equipment, and searched the grounds for weapons. But they missed the prize. The secret ordnance cache remained safely hidden beneath their feet.

Our Spot on the Timeline

Once the British moved on toward Philadelphia, the hidden cannons were safely exhumed and returned to the Continental Line, seeing action in the subsequent campaigns of the war.

Our direct lineage runs through Isaac, Samuel, and Thomas's aunt, Mary Potts (1688–1762), who married Mathias Tyson. Through this tightly bound Montgomery County cousin network, our family didn't just witness the American Revolution from afar. Our kin built the furnaces, cast the iron, sheltered the Commander-in-Chief, and literally buried the big guns that secured the birth of a new Republic.

Thank you Gemini AI for your wisdom and beautiful narrative. -- Drifting Cowboy


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