Nation

Otoe-Missouria Tribe of Indians, Oklahoma

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

Official name: Otoe-Missouria Tribe of Indians, 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 Oto 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 pressureAct of CongressShapes from the 1899 federal record: approximate, not legal boundaries.

The record over time

Circles are land the United States recorded as ceded, sized by acres and colored by how it was taken. Bars are treaties, broken promises, court cases and land returns.

Land recorded as ceded

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

Oto About 19 million acres recorded as ceded by the end of 1894

Treaty or agreement3 million
Treaty under documented pressure16 million

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

11 cessions. Follow Oto 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 10, matched by the Forest Service, under review

Carries the treaty history of 1

Sources

plainshumanities.unl.edu/encyclopedia/doc/egp.na.079.htmlreference work
From that time on the Otoe-Missourias were one nation
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