Nation

Peoria Tribe of Indians of Oklahoma

Not yet reviewed by this nation. What follows comes from public records and research. It does not speak for the nation.

Official name: Peoria Tribe of Indians of Oklahoma
Recorded status: Listed by the Bureau of Indian Affairs (91 FR 4102, January 30, 2026)

In the record

This nation carries the history of Illinois (Confederacy), Kaskaskia, Piankashaw and Wea in the treaty record.

Written from the records linked here; open any of them for its sources. This is what the United States’ treaty record says, not the nation’s own account.

Treaty or agreementTreaty under documented pressureRemoval treatyShapes from the 1899 federal record: approximate, not legal boundaries.

Land recorded as ceded

This nation carries the history of peoples named in Royce’s schedule. Their record:

Kaskaskia About 37 million acres recorded as ceded by the end of 1894

Treaty or agreement16 million
Treaty under documented pressure21 million
Removal treaty100 thousand

Estimate from Royce’s maps; overlapping cessions counted once. Not a survey or legal measure.

31 cessions. Follow Kaskaskia through the years on the map

Wea About 26 million acres recorded as ceded by the end of 1894

Treaty or agreement2 million
Treaty under documented pressure23 million
Removal treaty100 thousand

Estimate from Royce’s maps; overlapping cessions counted once. Not a survey or legal measure.

34 cessions. Follow Wea through the years on the map

Who is doing the work

Native legal and land defense, nationally

Native American Rights Fund (NARF) Native-led Litigation and legal advocacy for tribal sovereignty, treaty rights, land and resources Give on their site Website
NDN Collective (LANDBACK Campaign) Native-led LANDBACK campaign (launched 2020; Mount Rushmore closure and return of Black Hills public lands), Indigenous… Give on their site Website
Indian Land Tenure Foundation (ILTF) Native-led Land recovery and control by tribes and individual Indian landowners Website
Decolonizing Wealth Project (Indigenous Earth Fund; California Tribal Land Return) Native-led Reparative philanthropy Give on their site Website

Gifts go straight to each organization; this atlas takes nothing. Listing is not endorsement: how organizations are listed.

Connections

These links were matched automatically by name or date and have not yet been reviewed by a person.

Land recorded in this nation’s name 35, matched by the Forest Service, under review

Show all 35

Carries the treaty history of 4

Sources

web.archive.org/web/20240123210831/https://peoriatribe.com/history/unclassified
They are Illinois or Illini Indians, descendants of those who created the great mound civilizations in the central United States
okhistory.org/publications/enc/entryunclassified
The contemporary government structure of the Peoria Tribe of Indians of Oklahoma (Peoria, Piankashaw, Kaskaskia, and Wea) blends traditions and modern institutions.
Indian Entities Recognized by and Eligible To Receive Services From the BIA, 91 FR 4102 (Jan. 30, 2026)primary record
Listed in 91 FR 4102 (Jan. 30, 2026).

Kind: Nation
Confidence: High
Nation review: Not yet reviewed by this nation

Correct this record