The Mattawoman were a group of Native Americans

Native Americans in the United States

Native Americans in the United States are the indigenous peoples in North America within the boundaries of the present-day continental United States, parts of Alaska, and the island state of Hawaii. They are composed of numerous, distinct tribes, states, and ethnic groups, many of which survive as...

 living along the Western Shore of Maryland on the Chesapeake Bay

Chesapeake Bay

The Chesapeake Bay is the largest estuary in the United States. It lies off the Atlantic Ocean, surrounded by Maryland and Virginia. The Chesapeake Bay's drainage basin covers in the District of Columbia and parts of six states: New York, Pennsylvania, Delaware, Maryland, Virginia, and West...

 at the time of English colonization. They lived along Mattawomen Creek in present-day Charles County, Maryland

Charles County, Maryland

Charles County is a county in the south central portion of the U.S. state of Maryland.As of 2010, the population was 146,551. Its county seat is La Plata. This county was named for Charles Calvert , third Baron Baltimore....

. They were also recorded in the early 17th century by explorer John Smith at Quantico Creek

Quantico Creek

Quantico Creek is a tidal tributary of the Potomac River in eastern Prince William County, Virginia. Quantico Creek rises southeast of Independent Hill, flows through Prince William Forest Park and Dumfries and empties into the Potomac at Possum Point....

 in Prince William County, Virginia

Prince William County, Virginia

-National protected areas:* Featherstone National Wildlife Refuge* Manassas National Battlefield Park* Occoquan Bay National Wildlife Refuge* Prince William Forest Park-Government and politics:...

. He called them Pamacocack.

One of the Algonquian

Algonquian languages

The Algonquian languages also Algonkian) are a subfamily of Native American languages which includes most of the languages in the Algic language family. The name of the Algonquian language family is distinguished from the orthographically similar Algonquin dialect of the Ojibwe language, which is a...

-language coastal tribes, the Mattawomen survived in the Chesapeake Bay area until 1735. They were under the loose domination of the paramount chiefdom

Chiefdom

A chiefdom is a political economy that organizes regional populations through a hierarchy of the chief.In anthropological theory, one model of human social development rooted in ideas of cultural evolution describes a chiefdom as a form of social organization more complex than a tribe or a band...

 of the Piscataway

Piscataway (tribe)

The Piscataway are a subtribe of the Conoy Native American tribe of Maryland. At one time, they were one of the most populous and powerful Native polities of the Chesapeake Bay region. They spoke Algonquian Piscataway, a dialect of Nanticoke...

, also an Algonquian

Algonquian languages

The Algonquian languages also Algonkian) are a subfamily of Native American languages which includes most of the languages in the Algic language family. The name of the Algonquian language family is distinguished from the orthographically similar Algonquin dialect of the Ojibwe language, which is a...

-language tribe.