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Looking for the Washington DC Cornerstone in Alexandria
Virginian Time Travels

Looking for the Washington DC Cornerstone in Alexandria

September 13, 2025

Having heard that George Washington helped lay a boundary stone for Washington DC in Alexandria, where a lighthouse was built in the next century, I suggested a bit of history scavenging for the evening!

VIRTUE FEED AND GRAIN RESTAURANT

Beginning the evening with an early dinner at my favorite place, Virtue Feed and Grain, we then walked along the waterfront, which I was certain would take us directly to the lighthouse…and it does, although the choice of driving works too, but that is a bit more rough in access.

Upon arriving, I realized nearly any photo I take would entail more than one historical story.

Who knew so much history was contained on this small point of land, now called Jones Point, south of Old Town Alexandria?

Yet, I’m going to be as sequential as possible…

MARGARET BRENT, GENTLEMAN

In this open area is a historical marker commemorating the first owner of this land, Margaret Brent, Gentleman, a wealthy colonist from England who settled in Maryland.

Unique from most women in her day, she served as an attorney for herself and others, documented 124 times in court records.

As a close friend to Lord Calvert, governor of Maryland, Margaret became his executrix and inheritor.

After he passed away, Margaret approached the Maryland Council, requesting her right to vote as a member, not only for herself, but as representative to Lord Calvert.

Even though they refused her request, at some point she was honored with the title, gentleman, proving her legal stature in the community.

Lord Calvert and Margaret Brent, raised a Piscataway Indian princess, at the request of her father who asked them to educate her teach her the Catholic religion.

Taking the name of Mary, the Indian princess later married Giles, brother of Margaret.

Because Margaret Brent brought 1400 indentured servants to Virginia, she earned a 700 acre grant along the Potomac River in 1654.

2025-9-13_12c Boundary Stone Washington DC Alexandria

1654 BRENT TRACT

Running roughly from the mouth of Hunting Creek to present day Queen Street in Old Town Alexandria, this section of land juts into the Potomac.

2025-9-13_14 rolling roads tobacco_Great Hunting Creek_Jones Point_Old Town Alexandria

View of Hunting Creek…

2025-9-13_15 Great Hunting Creek_Jones Point_Old Town Alexandria

TOBACCO

Due to England’s control over the colonies via mercantilism, Virginians grew tobacco everywhere, which necessitated tobacco ports for farmers to ship their goods to England.

Rolling their tobacco to port from their farms in barrels (see imagery in historical marker, above), the farmers called these “rolling roads”…a name which sticks today.

GEORGE WASHINGTON OBTAINS BRENT LAND

Although the Brents were related to Lord Baltimore, tensions ensued, so the Brents ultimately moved to Virginia, soon after Giles’ marriage to the Indian maiden.

Margaret’s brother, Giles, earned is own landgrant before hers, in 1651.

Two years later, his one year old son inherited an 800 acre tract on the Potomac, south of Margaret’s…later purchased by George Washington.

Upon her passing, her brother, Giles Brent, and his heirs inherited her land, while her niece received 6 silver spoons.

ALEXANDRIA BEGINNINGS

In 1669, John Alexander purchased the property (he thought) from Robert Howson, who received a land grant nearby and slightly overlapping, Margaret’s.

Virginia land records of January 14, 1674/5, where Alexander paid the Brents 10,500 pounds of tobacco and casks to obtain the deed.

Alexander originally paid Howson one pound of tobacco per acre of land.

Eventually, the town of Alexandria was born out of its namesake, John Alexander’s land holdings.

1856 JONES POINT LIGHTHOUSE

Beyond the historical marker to Margaret Brent stood the Jones Point lighthouse, first lit in 1856.

2025-9-13_12b Boundary Stone Washington DC Alexandria 6-15

Sadly, the lighthouse is in a disrepair…unlike every photo I had seen on the internet and in my lighthouse book.

There used to be a charming white picket fence around the perimeter of the lighthouse and the building on the right, lending to its 19th century charm.

2025-9-13_20 lighthouse_Jones Point_Old Town Alexandria

Even though we were there at dusk, I never noticed the lighthouse beacon come on.

2025-9-13_28 Washington DC cornerstone_Jones Point Lighthouse_Old Town Alexandria

GEORGE WASHINGTON CORNERSTONE

Between those orange cones is the remnant of the infamous George Washington cornerstone…the white picket fence used to encircle around to include the front of the property overlooking the water front.

2025-9-13_27 Washington DC cornerstone_Jones Point Lighthouse_Old Town Alexandria

Looking down between the orange cones, this was all we could see.

Originally, there was a protective covering, through which one could more easily enjoy viewing the stone.

This was the first laid cornerstone for the federal city in 1791, later to be named Washington, DC.

2025-9-13_26 Washington DC cornerstone_Jones Point Lighthouse_Old Town Alexandria

CORNERSTONE MARKS WASHINGTON DC BOUNDARY

When the Residence Act of 1790 made George Washington’s and Thomas Jefferson’s (etc) dream come true, moving the Federal City to the Potomac River.

Although the Residence Act laid out boundary limitations from the lands of Maryland and Virginia, such as not more than ten miles square, President Washington was free to choose the precise placement of the Federal City.

After Washington chose the southernmost cornerstone to lie somehwere along the lines of the Alexandria Courthouse and Hunting Creek, Andrew Ellicot arrived from Maryland to survey.

Beginning: at the southwest corner of Fairfax and Cameron Streets. He set up a Surveyor’s Camp on the outskirts of the town as he planned to spend most of the summer working in the Alexandria vicinity. –George Washington Walked Here by Mollie Somerville

Known for his surveying tools, said to be the best in the country, Ellicott also enlisted the help of Benjamin Banneker, a free black from Maryland who taught himself math and science, and was writing his first almanac, for which he became famous.

While Banneker’s job was to take on-site measurements and around the clock astronomical calculations, its said that he’d lay on his back at night to observe the stars and planetary movements, to collect data…something he had long done which lead to his soon to be famous almanac.

After presenting the president with the data, Ellicott received Washington’s final decision of Jones Point as the beginning of the Federal City. –George Washington Walked Here, Mollie Somerville

FIRST MONUMENT FOR WASHINGTON DC LAID

To great fanfare on April 15, 1791, the southernmost cornerstone for the Federal City was placed at Jones Point by the Masonic Lodge of Alexandria, of which George Washington was a member.

Reverend Muir spoke at the ceremony: May this stone long commemorate the goodness of God in those uncommon events which have given America a name among the nations – under this stone may jealousy and selfishness forever be buried. –Columbian Centinel, May 7, 1791

Since the president was making a tour of the southern states, he was unable to attend.

SURVEYING THE WASHINGON DC BOUNDARIES

Creating a diamond shape, Ellicott and his team walked ten miles from Jones Point to Falls Church, laying boundary stones every mile.

For the next leg, Ellicott and his team again walked ten miles, this time from Falls Church to just north of Rock Creek Park in Maryland, again laying boundary stones at each mile.

Eventually completing a diamond shape, the last leg again met back at Jones Point. (see boundary stones map here)

1929 SURVEY FOR VIRGINIA-MARYLAND BOUNDARY

If Ellicott laid the boundary stones one mile apart, then what are all these stones mere feet apart, marking the boundaries of Virginia, Maryland, and Washington DC?

In 1927 Maryland and Virginia tasked their state geologists to define a fixed boundary. Edward B. Mathews from Maryland and Wilbur A. Nelson from Virginia identified specific headlands on the southern bank that jutted out into the river, with embayments between them. Establishing a straight line between headlands as the state boundary would eliminate the need to interpret how the location of the riverbank changed by the natural processes of accretion and reliction (erosion), thus changing the location of the state boundaries. Maryland benefitted by avoiding legal disputes, while granting Virginia control over waters within embayments between headlands...

...the Virginia Highway Department placed 58 concrete boundary monuments with metallic caps on the shoreline to mark the Mathews-Nelson survey line
Source: US Geological Survey (USGS)
. –Virginia Maryland Boundary

Here is marker number 58, placed behind the Jones Point Lighthouse in 1929.

2025-9-13_32 Washington DC markers_Jones Point_Old Town Alexandria

NEW BOUNDARY MARKERS

Others are much newer, inscribed on the faces in different variations: Boundary, Historic, Washington DC, Virginia, and Maryland…all throughout the park.

2025-9-13_31 Washington DC marker_Jones Point_Old Town Alexandria
2025-9-13_12d Boundary Stone Washington DC Alexandria

Meanwhile the coolness of the evening breeze mingled with the Sweet Autumn Clematis, growing prodigiously throughout the park.

2025-9-13_18 Sweet Autumn Clematis_Jones Point_Old Town Alexandria

Returning to the open section of land behind the lighthouse, we walked towards the Woodrow Wilson Bridge to find more of these newer boundary markers.

2025-9-13_13b Boundary Stone Washington DC Alexandria
2025-9-13_13c Boundary Stone Washington DC Alexandria
2025-9-13_13d Boundary Stone Washington DC Alexandria
2025-9-13_13e Boundary Stone Washington DC Alexandria

ROPEWALK

As we returned to the lighthouse from the mouth of Hunting Creek as it empties into the Potomac, we passed an area where there was a 400 foot long ropemaking building from the early 19th century.

2025-9-13_13 ropewalk_Jones Point_Old Town Alexandria

The ropes were used by all the ships that came to port in Alexandria.

2025-9-13_33 sunset Potomac River_Jones Point_Old Town Alexandria

Walking from the lighthouse, along the Potomac, we passed more Sweet Autumn Clematis…

2025-9-13_34 Sweet Atumn Clematis_Jones Point_Old Town Alexandria
2025-9-13_36 Sweet Atumn Clematis_Jones Point_Old Town Alexandria

As we approached the Woodrow Wilson Bridge spanning the Potomac…

2025-9-13_37 Woodrow Wilson Bridge_Jones Point_Old Town Alexandria

WORLD WAR I SHIP BUILDING

…we found another boundary maker that led to a World War I trail…

2025-9-13_36b Boundary Stone Washington DC Alexandria

…WWI ships were built on the length of the expanse of this trail, then once completed, it was pushed into the Potomac, near where the Woodrow Wilson Bridge now spans the river.

2025-9-13_42 WWI shipbuilding_Jones Point_Old Town Alexandria

Walking to the other end of the trail returns us to the open expanse of land (seen at the beginning of this tour) where Margaret Brent was honored with a historical marker.

2025-9-13_12 WWI shipbuilding_Jones Point_Old Town Alexandria

After retracing one’s steps, stunning views of the Potomac ensues…

2025-9-13_40 sunset Potomac River_Jones Point_Old Town Alexandria

From this trail along the river, one can continue walking into Old Town Alexandria.

Sinc we still have not seen everything, we plan to return.

For more photos, check my Flickr set.

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