William A. Bradley was mayor of Washington, D.C.

Washington, D.C.

Washington, D.C., formally the District of Columbia and commonly referred to as Washington, "the District", or simply D.C., is the capital of the United States. On July 16, 1790, the United States Congress approved the creation of a permanent national capital as permitted by the U.S. Constitution....

 from 1834 to 1836.

Once the Cashier for the Bank of Washington, Bradley was postmaster

Postmaster

A postmaster is the head of an individual post office. Postmistress is not used anymore in the United States, as the "master" component of the word refers to a person of authority and has no gender quality...

 for the city of Washington in the 1850s until removed by Franklin Pierce

President of the United States

The President of the United States of America is the head of state and head of government of the United States. The president leads the executive branch of the federal government and is the commander-in-chief of the United States Armed Forces....

 in 1853.

In 1855 he purchased Analostan Island

Theodore Roosevelt Island

Theodore Roosevelt Island is a island and a national memorial located in the Potomac River in Washington, D.C. The island was given to the American people by the Theodore Roosevelt Association in memory of the 26th U.S. president, Theodore Roosevelt....

 (now Theodore Roosevelt Island), part of the land holdings of Virginia

Virginia

The Commonwealth of Virginia , is a U.S. state on the Atlantic Coast of the Southern United States. Virginia is nicknamed the "Old Dominion" and sometimes the "Mother of Presidents" after the eight U.S. presidents born there...

 patriot George Mason

George Mason

George Mason IV was an American Patriot, statesman and a delegate from Virginia to the U.S. Constitutional Convention...

, and used the estate as an entertainment resort. Although it was used as a hospital during the U.S. Civil War. After the war, Bradley used it as a resort again until his death in 1867.

During the 1820s, Bradley was a member of the prestigious society, Columbian Institute for the Promotion of Arts and Sciences

Columbian Institute for the Promotion of Arts and Sciences

The Columbian Institute for the Promotion of Arts and Sciences was a literary and science institution in Washington, D.C., founded by Dr. Edward Cutbush , a naval surgeon...

, who counted among their members former presidents Andrew Jackson

Andrew Jackson

Andrew Jackson was the seventh President of the United States . Based in frontier Tennessee, Jackson was a politician and army general who defeated the Creek Indians at the Battle of Horseshoe Bend , and the British at the Battle of New Orleans...

 and John Quincy Adams

John Quincy Adams

John Quincy Adams was the sixth President of the United States . He served as an American diplomat, Senator, and Congressional representative. He was a member of the Federalist, Democratic-Republican, National Republican, and later Anti-Masonic and Whig parties. Adams was the son of former...

 and many prominent men of the day, including well-known representatives of the military, government service, medical and other professions.

In addition, Bradley was a director for the original Chesapeake & Ohio Canal Company, chartered in 1850.