Patty Cannon is remembered as the head of a gang that took free Black people from the Delmarva Peninsula and Philadelphia and sold them into slavery in the Deep South in the 1820s, and as a woman said to have killed more than two dozen people. The legal record is much smaller than the legend. In 1829 a Sussex County, Delaware, grand jury indicted her for murder, and she died in the county jail at Georgetown on May 11, 1829, before any trial took place. No court convicted her of anything.
That gap between record and tradition shapes everything written about her. The kidnapping trade she worked in is well documented by historians. Her own part in it, and the number of people who died at her hands or at the hands of her gang, rests on a short run of official records and a much larger body of later pamphlets, newspaper features and novels.
The Maryland State Archives gives her name as Martha "Patty" Cannon and her life as roughly 1746 to May 11, 1829; other writers place her birth about 1760. Many details of her life are uncertain. She was married to Jesse Cannon, a farmer of Sussex County, Delaware, who died before 1826. Her daughter married Joseph Johnson, who became the best-known member of the gang. According to the Dorchester County Historical Society, the daughter's first husband was Henry Brereton, who was executed for murder.
She lived on the border between Maryland and Delaware, at a crossroads that later took the name Reliance. The Maryland State Archives says she bought the land there from Johnson in 1826, and that the area was first known as Johnson's Crossroads. The Delaware Public Archives marker places the gang's base in three counties along the state boundary. A PBS episode about the Cannon house describes Reliance as a community with many free Black residents, which made it a convenient base for kidnappers and a dangerous place for those residents.
The kidnapping of free Black people into slavery did not begin with Cannon, and it did not end with her. The Delaware Public Archives marker explains the setting. Congress banned the importation of enslaved Africans in 1808, demand for enslaved labor in the Deep South grew, and kidnapping became a way to meet it. The marker says the gang's network reached Alabama and Mississippi and that it is believed to have abducted hundreds of people of color.
The historian Richard Bell, who has written on the trade, describes a business that depended on silence. Kidnappers were mostly poor people, some of them women. Most were white, and a surprising number were Black. Their identities largely stayed hidden, and few of their names or crimes appear in surviving records. Bell says the community on Maryland's Eastern Shore did not report the kidnappers even though residents knew what they were doing. He estimates that thousands, and possibly tens of thousands, of free Black people were taken into slavery between the Revolution and the Civil War. In his account of Cannon's circle, the members came mostly from the margins of rural society, some were African American or of mixed race, and women played a notable part.
Children were especially exposed. Bell writes of five boys taken from Philadelphia in 1825 and taken into the Deep South, the youngest of them ten years old. Planters in Louisiana, Mississippi and Alabama paid roughly $400 to $700 for a captive, and most were sold in ones and twos to farms in the cotton country of Mississippi and Alabama. The case helped lead Pennsylvania to pass stronger laws against kidnapping.
An exhibit prepared by a consortium of research libraries, drawing on letters in the Louisiana State University Libraries, describes a ring in the Philadelphia area in the mid-1820s led by Joseph Johnson and others. It took children between the ages of 8 and 15, and Philadelphia's mayor, Joseph Watson, wrote repeatedly to officials in the South trying to find and recover them. His letters name children from about 7 to about 19 years old. One boy was found in the South and died eight days after he returned to Philadelphia. That record does not name Patty Cannon.
The earliest court records tie the Cannon and Johnson families to kidnapping, not murder. The Cape Gazette reports a 1821 indictment for kidnapping that named Joseph Johnson, Mary Johnson, Jesse Cannon, Jesse Cannon Jr., John Stevenson and a Martha Cannon, whom the newspaper presumes to be Patty Cannon. A Delaware Court of Common Pleas case of 1821, reported as 2 Del. Cas. 622, lists Jesse Cannon and Joseph Johnson among its parties, and a legal database that catalogs it says only that the case concerns slavery; the charge and outcome are not stated. The Dorchester County Historical Society dates the gang's first indictment to 1822.
Joseph Johnson is the one member of the circle documented as brought to court. The Cape Gazette says he was convicted in Sussex County in 1824 of kidnapping a free Black man from Delaware into Maryland, and sentenced to 39 lashes and an hour in the stocks. The Dorchester County Historical Society gives the same figure of 39 lashes and adds the pillory. The Historical Society says Cannon apparently never went to trial on that earlier charge, and the Cape Gazette notes that the evidence of her ever standing trial is sketchy. After the 1829 events Johnson and his brother Ebenezer are reported to have gone to Alabama and Mississippi.
In April 1829, according to the Delaware Public Archives marker, authorities in Sussex County acted after evidence emerged of the killing of a white slave trader and of several other people, among them a young child and a baby. Most of the gang fled to the Deep South. Cannon was arrested in Delaware and held in the Sussex County jail at Georgetown.
The Maryland State Archives says she was arrested with Cyrus James, a Black man whom she had raised, and a man named Butler. Cyrus James was taken before a justice of the peace at Seaford on April 3, 1829, and gave a detailed account of killings that he attributed to Cannon and the Johnson brothers. Newspapers of the time printed it. The State Archives' separate entry on James says he gave officials conflicting accounts of captures and killings, and that he was the Maryland kidnapper whom Cannon raised from childhood and taught to take people who were fleeing slavery. The Archives cautions that such accounts were not independently verified. The record does not show whether James or Butler was later prosecuted.
What the indictments charged is the narrowest part of the record. The Maryland State Archives states that Delaware indictments charged Cannon with three murders and charged Joseph Johnson and Ebenezer F. Johnson with one murder each. The Dorchester County Historical Society, and the Maryland 400 project that cites it, put the number of Cannon indictments at four. The Maryland 400 text says she was indicted for the murder of four Black people, and the Historical Society page says the four indictments covered deaths in 1820, 1822 and 1824. The Cape Gazette, in a third version, links the 1829 indictment to the deaths of three children. The accounts agree that the indictments reached more than one death and more than one date, and disagree on whether the count was three or four.
The names of the people in the indictments, the wording of the indictments and the date on which the grand jury sat are not on record. The Delaware Public Archives marker identifies a white slave trader as one of the dead, along with a young child and a baby, and the Maryland State Archives describes a slave trader from Georgia among them. These are the deaths that were charged as murder, with other charges raised in the wider case. They were not tried.
The Johnson brothers were out of reach of the Delaware court. Joseph Johnson was reportedly sought and may have moved to Alabama. No trial of either brother for these deaths is on record.
Cannon died in the Georgetown jail on May 11, 1829, according to the Maryland State Archives, the Dorchester County Historical Society and the Cape Gazette. She was about 60 to 70 years old. She was waiting for trial; the Delaware Public Archives says she died in May 1829 while awaiting trial for murder. The Maryland State Archives confirms that she died before trial.
How she died is disputed. The Delaware Public Archives marker says it is believed she died by suicide, and notes controversy over how she died. A feature by Richard Bell also reports a suicide, citing an 1840s newspaper article. The Dorchester County Historical Society says sources disagree on whether she was convicted before dying, and on whether she died by suicide or of natural causes. The Cape Gazette reports a tradition that she asked for a priest shortly before she died, and says it is unclear whether she had been sentenced to be executed. No verdict or sentence is on record. Because she died before a trial, the court record shows an indicted woman and no conviction.
In 1841 a New York pamphlet, Narrative and Confessions of Lucretia P. Cannon, claimed that she had been tried, convicted and sentenced to death at Georgetown with two accomplices. A copy survives at the Huntington Library. The pamphlet's central claim, that she was tried and convicted, is contradicted by the indictments and the death in jail, and the confessions it attributes to her are not documented in the court record.
The Dorchester County Historical Society says the pamphlet helped build her mythic reputation, and that many later works mix fact and fiction. The Cape Gazette draws on the pamphlet, a novel of 1884 and a modern popular account, and repeats reports that she confessed to more than two dozen killings and that her gang was credited with as many as 30 murders. It does not tie those figures to any charge. A 1965 biography and a 1998 book on Cannon in fact and fiction are among the later works on her; the Delaware Division of Libraries points readers to them.
The Delaware Public Archives has described the story as "the stuff of legend". It hosted a 2013 talk by the historian Carol Wilson of Washington College on separating fact from fabrication through archival sources. Wilson's 1994 book, Freedom at Risk, studies the kidnapping of free Black people.
Several claims in popular accounts are not supported by the record:
That she was tried, convicted and sentenced. The record shows indictment and death in jail; the claim comes from the 1841 pamphlet.
The number of her victims. Confessions of more than two dozen killings come from later retellings. The indictments covered three or four deaths.
The number of people kidnapped. The Delaware Public Archives says it is believed the gang abducted hundreds; a figure of more than 3,000 appears in one newspaper feature and has no documented basis.
How she died. A suicide is believed according to the marker and Bell; the Dorchester County Historical Society says natural causes are also given.
Her birth year, given as about 1746 or about 1760.
Whether Joseph Johnson's gang in the Philadelphia cases and the Cannon household are one organization. Historians treat them as linked, but the library exhibit does not say so.
1808: Congress bans the importation of enslaved Africans.
1821: A kidnapping indictment names Joseph Johnson, Jesse Cannon, a Martha Cannon and others, according to the Cape Gazette.
1822: Date given by the Dorchester County Historical Society for the gang's first indictment.
1824: Joseph Johnson is convicted in Sussex County of kidnapping a free Black man and sentenced.
August 1825: five boys, the youngest ten, are taken from Philadelphia.
1826: Cannon buys land at the crossroads that became Reliance.
April 3, 1829: Cyrus James gives an account to a justice of the peace at Seaford.
April 1829: Cannon arrested and held in the Sussex County jail at Georgetown.
1829: A Sussex County grand jury returns murder indictments against her (three or four), and one each against Joseph and Ebenezer Johnson.
May 11, 1829: Cannon dies in the Georgetown jail before trial.
1841: A New York pamphlet claims she was tried and sentenced.
May 17, 2012: The Delaware Public Archives installs its marker on the gang near Seaford.
2013: Delaware Public Archives hosts a talk by the historian Carol Wilson on the record and the legend.